Vigilance

, : Copy target activated or triggered ability you control from a colorless source. You may choose new targets for the copy. (Mana abilities can't be targeted.)

Survival — At the beginning of your second main phase, if Acrobatic Cheerleader is tapped, put a flying counter on it. This ability triggers only once.

, : Copy target activated or triggered ability you control. You may choose new targets for the copy.

Ultimate Sacrifice — , Sacrifice Adric: Counter target activated or triggered ability.

Doctor's companion (You can have two commanders if the other is the Doctor.)

Reach

You may play lands from your graveyard.

If a land entering causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

When Annie Joins Up enters, it deals 5 damage to target creature or planeswalker an opponent controls.

If a triggered ability of a legendary creature you control triggers, that ability triggers an additional time.

During your turn, outlaws you control have first strike. (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws.)

Whenever you commit a crime, create a 1/1 red Mercenary creature token with ": Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery." This ability triggers only once each turn.

Whenever you commit a crime, put a loot counter on Bandit's Haul. This ability triggers only once each turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

: Add one mana of any color.

, , Remove two loot counters from Bandit's Haul: Draw a card.

Whenever one or more tokens you control enter, create a 1/1 black Vampire Rogue creature token with lifelink. This ability triggers only once each turn.

, Sacrifice another creature or artifact: Draw a card.

Whenever you cast an instant or sorcery spell that targets only Bill Potts or activate an ability that targets only Bill Potts, copy that spell or ability. You may choose new targets for the copy. This ability triggers only once each turn.

Doctor's companion (You can have two commanders if the other is the Doctor.)

Blood Hypnotist can't block.

Whenever you sacrifice one or more Blood tokens, target creature can't block this turn. This ability triggers only once each turn.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Other creatures you control have prowess. (If a creature has multiple instances of prowess, each triggers separately.)

Whenever you cast a noncreature spell, target creature you control can't be blocked this turn.

When you unlock this door, return target creature card from your graveyard to your hand.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)

Other creatures you control with flanking have flanking. (Each instance of flanking triggers separately.)

Whenever you cast an instant or sorcery spell, copy it. You may choose new targets for the copy. This ability triggers only once each turn.

+2: Add two mana in any combination of colors.

+1: Exile the top five cards of your library. Until the end of your next turn, you may cast an instant or sorcery spell from among those exiled cards.

−X: Chandra, Hope's Beacon deals X damage to each of up to two targets.

Training (Whenever this creature attacks with another creature with greater power, put a +1/+1 counter on this creature.)

Whenever one or more +1/+1 counters are put on one or more Humans you control, draw a card. This ability triggers only once each turn.

Replicate (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)

Counter target triggered ability or colorless spell.

Whenever you discover, discover again for the same value. This ability triggers only once each turn.

Whenever you commit a crime, each opponent mills three cards. This ability triggers only once each turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

Whenever one or more cards leave your graveyard, create a 2/2 black Horror enchantment creature token. This ability triggers only once each turn.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

Flying

Whenever one or more creature cards are put into graveyards from anywhere, investigate. This ability triggers only once each turn. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

If Dennick, Pious Apparition would be put into a graveyard from anywhere, exile it instead.

Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.)

When Diviner of Fates enters the battlefield, it connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

Whenever you discard one or more cards, seek a card that shares a card type with one of the discarded cards. This ability triggers only once each turn.

Creature tokens you control get +1/+1.

Whenever one or more nontoken creatures you control die, create a 2/1 white and black Inkling creature token with flying. This ability triggers only once each turn.

Flying, vigilance

Duelist of the Mind's power is equal to the number of cards you've drawn this turn.

Whenever you commit a crime, you may draw a card. If you do, discard a card. This ability triggers only once each turn.

Vigilance

Whenever one or more +1/+1 counters are put on Dusk Legion Duelist, draw a card. This ability triggers only once each turn.

If a triggered ability of a colorless spell you control or another colorless permanent you control triggers, that ability triggers an additional time.

Whenever you cast a colorless spell, copy it. You may choose new targets for the copy. (A copy of a permanent spell becomes a token.)

Vigilance

If a permanent entering causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Permanents entering don't cause abilities of permanents your opponents control to trigger.

Whenever one or more other Elves you control enter, create a 1/1 green Elf Warrior creature token. This ability triggers only once each turn.

: Elves you control get +2/+2 and gain deathtouch until end of turn.

Lifelink

Whenever one or more other creatures you control with power 2 or less enter, draw a card. This ability triggers only once each turn.

When Enduring Innocence dies, if it was a creature, return it to the battlefield under its owner's control. It's an enchantment. (It's not a creature.)

Haste

Whenever one or more other attacking legendary creatures you control die, untap all creatures you control. After this phase, there is an additional combat phase. This ability triggers only once each turn.

Whenever Expedition Supplier or another Human enters the battlefield under your control, conjure a card named Utility Knife onto the battlefield. This ability triggers only once each turn.

Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.)

At the beginning of combat on your turn, another target creature you control gains melee until end of turn. (If a creature has multiple instances of melee, each triggers separately.)

Commander creatures you own have "Whenever you cast a spell that shares a creature type with this creature, draw a card. This ability triggers only once each turn."

Read ahead (Choose a chapter and start with that many lore counters. Add one after your draw step. Skipped chapters don't trigger. Sacrifice after III.)

I — You may cast an instant or sorcery spell with mana value 1 or 2 from your hand without paying its mana cost.

II — Target player mills four cards.

III — Exile target instant or sorcery card from your graveyard. Copy it. You may cast the copy.

Reach

Whenever you commit a crime, look at the top five cards of your library. You may put a land card from among them onto the battlefield tapped. Put the rest on the bottom of your library in a random order. This ability triggers only once each turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

Whenever one or more nontoken creatures die, create a 2/2 black Zombie creature token with decayed. This ability triggers only once each turn. (A creature with decayed can't block. When it attacks, sacrifice it at end of combat.)

Trample, ward , prowess, prowess (Each instance of prowess triggers separately.)

Flash

When Green Slime enters, counter target activated or triggered ability from an artifact or enchantment source. If a permanent's ability is countered this way, destroy that permanent.

Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

: Add one mana of any color.

Whenever you commit a crime, untap Hardbristle Bandit. This ability triggers only once each turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

Whenever you cast a noncreature or Otter spell, you may exile the top card of your library. Until end of turn, you may play that card. This ability triggers only once each turn.

Whenever one or more nontoken creatures you control die, investigate. This ability triggers only once each turn. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Flying, lifelink

Creatures entering or dying don't cause abilities to trigger.

Vanishing 3

Imprint — When Idris, Soul of the TARDIS enters, exile another artifact you control until Idris leaves the battlefield.

Idris has all activated and triggered abilities of the exiled card and gets +X/+X, where X is the exiled card's mana value.

When Ingenious Smith enters, look at the top four cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Whenever one or more artifacts you control enter, put a +1/+1 counter on Ingenious Smith. This ability triggers only once each turn.

Whenever you cast an artifact, instant, or sorcery spell, copy that spell. You may choose new targets for the copy. This ability triggers only once each turn. (A copy of a permanent spell becomes a token.)

Whenever an opponent casts an artifact, instant, or sorcery spell, counter that spell. This ability triggers only once each turn.

Whenever you commit a crime, put a +1/+1 counter on Lazav, Familiar Stranger. Then you may exile a card from a graveyard. If a creature card was exiled this way, you may have Lazav become a copy of that card until end of turn. This ability triggers only once each turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

Prevent all combat damage that would be dealt to attacking artifact creatures you control.

Whenever one or more artifact creatures you control enter, draw a card. This ability triggers only once each turn.

Whenever you commit a crime, create a tapped Treasure token. This ability triggers only once each turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

Sacrifice three Treasures: Create a 4/4 red Scorpion Dragon creature token with flying and haste. Activate only as a sorcery.

Partner with Pippin, Warden of Isengard (When this creature enters, target player may put Pippin into their hand from their library, then shuffle.)

Whenever one or more artifacts you control enter, create a 1/1 white Soldier creature token with lifelink. This ability triggers only once each turn.

Vigilance

When Mirelurk Queen enters, target player gets two rad counters.

Whenever one or more nonland cards are milled, draw a card, then put a +1/+1 counter on Mirelurk Queen. This ability triggers only once each turn.