You may exert Ahn-Crop Champion as it attacks. When you do, untap all other creatures you control. (An exerted creature won't untap during your next untap step.)

Flying

: Arcbound Whelp gets +1/+0 until end of turn.

Modular 2 (This creature enters with two +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

: Add or .

, , Sacrifice Azorius Locket: Draw two cards.

Equipped creature has deathtouch and lifelink. (Any amount of damage it deals to a creature is enough to destroy it. Damage dealt by this creature also causes you to gain that much life.)

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Bladewing's Thrall has flying as long as you control a Dragon.

When a Dragon enters, you may return Bladewing's Thrall from your graveyard to the battlefield.

Haste

Whenever Bomat Courier attacks, exile the top card of your library face down. (You can't look at it.)

, Discard your hand, Sacrifice Bomat Courier: Put all cards exiled with Bomat Courier into their owners' hands.

Devoid (This card has no color.)

When Catacomb Sifter enters, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add ."

Whenever another creature you control dies, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Target creature gains trample until end of turn.

Draw a card.

This spell costs less to cast during your end step.

Destroy target creature or planeswalker you don't control. Put a +1/+1 counter on up to one target creature you control.

Flying

Whenever you gain life, target opponent loses that much life.

Duggan's power and toughness are each equal to the number of cards in your hand.

Whenever Duggan enters or attacks, investigate.

The Most Important Punch in History — , : Duggan deals damage equal to twice its power to another target creature. Activate only once.

: Look at the top three cards of your library. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

At the beginning of each upkeep, if no spells were cast last turn, transform Duskwatch Recruiter.

When Eager Construct enters, each player may scry 1. (To scry 1, look at the top card of your library, then you may put that card on the bottom.)

Electrify deals 4 damage to target creature.

First strike

, , Sacrifice Encampment Keeper: Creatures you control get +2/+2 until end of turn.

When Extricator of Sin enters, you may sacrifice another permanent. If you do, create a 3/2 colorless Eldrazi Horror creature token.

Delirium — At the beginning of your upkeep, if there are four or more card types among cards in your graveyard, transform Extricator of Sin.

Vigilance (Attacking doesn't cause this creature to tap.)

When Gallant Cavalry enters, create a 2/2 white Knight creature token with vigilance.

Whenever Goblin Traprunner attacks, flip three coins. For each flip you win, create a 1/1 red Goblin creature token that's tapped and attacking.

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

When this creature enters, create two 3/3 white Knight creature tokens.

Hexproof

At the beginning of your upkeep, you may reveal your hand. If you do, you win the game if you own a card named Hedron Alignment in exile, in your hand, in your graveyard, and on the battlefield.

: Scry 1.

Exile the top three cards of your library. Until the end of your next turn, you may play those cards.

Create three Treasure tokens. (They're artifacts with ", Sacrifice this artifact: Add one mana of any color.")

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

Whenever Jeskai Elder deals combat damage to a player, you may draw a card. If you do, discard a card.

Vigilance

Permanents your opponents control can't be turned face up during your turn.

Whenever you attack with three or more creatures, creatures you control get +1/+1 until end of turn.

Creature spells you cast cost less to cast.

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Krallenhorde Howler.

When Lazotep Reaver enters, amass Zombies 1. (Put a +1/+1 counter on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.

Cycling (, Discard this card: Draw a card.)

Paradox — Whenever you cast a spell from anywhere other than your hand, Memory Worm deals 2 damage to target player. That player discards a card, then draws a card. Put a +1/+1 counter on Memory Worm.

Put two +1/+1 counters on target creature.

Delirium — Put three +1/+1 counters on that creature instead if there are four or more card types among cards in your graveyard.

: Mirage Mirror becomes a copy of target artifact, creature, enchantment, or land until end of turn.

At the beginning of each upkeep, if a player cast two or more spells last turn, transform One of the Pack.

Creatures you control get +2/+2 and gain trample until end of turn. (Each of those creatures can deal excess combat damage to the player or planeswalker it's attacking.)

: Add one mana of any color. Spend this mana only to cast an instant or sorcery spell.

, : Target player mills three cards. (They put the top three cards of their library into their graveyard.)

Until end of turn, each creature target player controls loses all abilities and becomes a blue Frog with base power and toughness 1/1.

Pay 2 life: Putrid Leech gets +2/+2 until end of turn. Activate only once each turn.

Risen Executioner can't block.

Other Zombie creatures you control get +1/+1.

You may cast Risen Executioner from your graveyard if you pay more to cast it for each other creature card in your graveyard.

Prevent all combat damage that would be dealt this turn.

Improvise (Each artifact you tap after you're done activating mana abilities pays for .)

Reveal the top X cards of your library. You may put any number of artifact cards with mana value X or less from among them onto the battlefield. Then put all cards revealed this way that weren't put onto the battlefield into your graveyard.

, , Sacrifice Scalding Cauldron: It deals 3 damage to target creature.

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

Whenever you cast a noncreature spell, Seeker of the Way gains lifelink until end of turn.

Vigilance

When Shire Shirriff enters, you may sacrifice a token. When you do, exile target creature an opponent controls until Shire Shirriff leaves the battlefield.

When Sling-Gang Lieutenant enters, create two 1/1 red Goblin creature tokens.

Sacrifice a Goblin: Target player loses 1 life and you gain 1 life.

Target creature gets -2/-0 until end of turn. Create a 2/2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.)

Draw a card.

Raid — When this creature enters, if you attacked this turn, exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.

When Tenth District Guard enters, target creature gets +0/+1 until end of turn.

You may choose not to untap The Pandorica during your untap step.

, : Untap another target nonland permanent, then it phases out. It can't phase in for as long as The Pandorica remains tapped. When The Pandorica becomes untapped or leaves the battlefield, that permanent phases in. Activate only as a sorcery.

Thresher Lizard gets +1/+2 as long as you have one or fewer cards in hand.

Exile target creature. That creature's controller reveals cards from the top of their library until they reveal a creature card. That player puts that card onto the battlefield, then shuffles the rest into their library.

When Utility Knife enters, attach it to target creature you control.

Equipped creature gets +1/+1.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Choose two target creature cards in your graveyard. Sacrifice a creature. If you do, return the chosen cards to the battlefield tapped.