, : You may put a creature card from your hand onto the battlefield.

Morphic Pool enters tapped unless you have two or more opponents.

: Add or .

Moss Diamond enters tapped.

: Add .

Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Mosswort Bridge enters tapped.

: Add .

, : You may play the exiled card without paying its mana cost if creatures you control have total power 10 or greater.

Destroy target creature.

Infesting Spores — When Myconid Spore Tender enters, destroy up to one target artifact or enchantment.

As long as your life total is less than or equal to half your starting life total, Myrkul, Lord of Bones has indestructible.

Whenever another nontoken creature you control dies, you may exile it. If you do, create a token that's a copy of that card, except it's an enchantment and loses all other card types.

Psychic Blades — : Creatures you control get +2/+0 and gain menace until end of turn. (A creature with menace can't be blocked except by two or more creatures.)

Flying

Whenever you cast a spell from exile, copy it. You may choose new targets for the copy. If it's a permanent spell, the copy gains haste and "At the beginning of the end step, sacrifice this permanent." (A copy of a permanent spell becomes a token.)

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Destroy target artifact or enchantment.

Flying

When Nautiloid Ship enters, exile target player's graveyard.

Whenever Nautiloid Ship deals combat damage to a player, you may put a creature card exiled with Nautiloid Ship onto the battlefield under your control.

Crew 3

Whenever you cast a spell, you may put it on the bottom of its owner's library. If you do, reveal cards from the top of your library until you reveal a nonland card. You may cast that card without paying its mana cost. Then put all revealed cards not cast this way on the bottom of your library in a random order. This ability triggers only once each turn.

Whenever Nemesis of Reason attacks, defending player mills ten cards.

: Add .

, : Target player mills three cards.

Bestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)

Nighthowler and enchanted creature each get +X/+X, where X is the number of creature cards in all graveyards.

Bigby's Hand — : Untap two other target permanents. Activate only as a sorcery and only once each turn.

Menace

Ward—Pay 9 life.

Whenever Nine-Fingers Keene deals combat damage to a player, look at the top nine cards of your library. You may put a Gate card from among them onto the battlefield. Then if you control nine or more Gates, put the rest into your hand. Otherwise, put the rest on the bottom of your library in a random order.

Commander creatures you own have "When this creature enters and at the beginning of your upkeep, each player may put two +1/+1 counters on a creature they control. For each opponent who does, you gain protection from that player until your next turn." (You can't be targeted, dealt damage, or enchanted by anything controlled by that player.)

Weird Insight — When Nothic dies, roll a d20.

1–9 | You draw a card and you lose 1 life.

10–19 | You draw two cards and you lose 2 life.

20 | You draw seven cards and you lose 7 life.

When Oji, the Exquisite Blade enters, you gain 2 life and scry 2.

Whenever you cast your second spell each turn, exile up to one target creature you control, then return it to the battlefield under its owner's control.

Orzhov Basilica enters tapped.

When Orzhov Basilica enters, return a land you control to its owner's hand.

: Add .

As Outpost Siege enters, choose Khans or Dragons.

• Khans — At the beginning of your upkeep, exile the top card of your library. Until end of turn, you may play that card.

• Dragons — Whenever a creature you control leaves the battlefield, Outpost Siege deals 1 damage to any target.

Creatures you control gain vigilance and trample until end of turn. Roll a d20.

1–9 | Creatures you control get +2/+2 until end of turn.

10–19 | Put two +1/+1 counters on each creature you control.

20 | Put four +1/+1 counters on each creature you control.

At the beginning of your end step, if creatures you control have total power 8 or greater, draw a card.

As long as Pact Weapon is attached to a creature, you don't lose the game for having 0 or less life.

Whenever equipped creature attacks, draw a card and reveal it. The creature gets +X/+X until end of turn and you lose X life, where X is that card's mana value.

Equip—Discard a card.

Lifelink

When Passageway Seer enters, you take the initiative.

At the beginning of your end step, if you have the initiative, put a +1/+1 counter on Passageway Seer.

Path of Ancestry enters tapped.

: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

When Patron of the Arts enters or dies, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

When Phyrexian Rager enters, you draw a card and you lose 1 life.

Flying

When Pilgrim's Eye enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

At the beginning of your upkeep, Plague Spitter deals 1 damage to each creature and each player.

When Plague Spitter dies, it deals 1 damage to each creature and each player.

Tap X target creatures. They don't untap during their controllers' next untap steps. (Then exile this card. You may cast the creature later from exile.)

Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)

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

Port of Karfell enters tapped.

: Add .

, , Sacrifice Port of Karfell: Mill four cards, then return a creature card from your graveyard to the battlefield tapped. (To mill a card, put the top card of your library into your graveyard.)

When Priest of Ancient Lore enters, you gain 1 life and draw a card.

Prismari Campus enters tapped.

: Add or .

, : Scry 1.

Creatures can't attack you unless their controller pays for each creature they control that's attacking you.

Flying

: Target creature gains flying until end of turn.

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

Exile target instant or sorcery card from a graveyard and copy it. You may cast the copy without paying its mana cost.

Exile Psionic Ritual.

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

Whenever you draw a card, each opponent loses 1 life.

Flying

When Puppeteer Clique enters, put target creature card from an opponent's graveyard onto the battlefield under your control. It gains haste. At the beginning of your next end step, exile it.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Each creature you control with a mana ability gets +2/+2.

Whenever a creature you control with a mana ability attacks, untap it.

Whenever you cast a spell, if at least seven mana was spent to cast it, untap target creature. It gets +7/+7 and gains trample until end of turn.

Commander creatures you own have base power and toughness 10/10 and are Giants in addition to their other types.

Each creature you control assigns combat damage equal to its toughness rather than its power.

Whenever Rasaad yn Bashir attacks, if you have the initiative, double the toughness of each creature you control until end of turn.

Choose a Background (You can have a Background as a second commander.)

When Ravenous Chupacabra enters, destroy target creature an opponent controls.

Roll a d20.

1–9 | Create two 1/1 white Soldier creature tokens.

10–19 | Create two 2/2 white Knight creature tokens.

20 | Create three 2/2 white Knight creature tokens.

As Reflections of Littjara enters, choose a creature type.

Whenever you cast a spell of the chosen type, copy that spell. (A copy of a permanent spell becomes a token.)

You have no maximum hand size.

: Add .

Exile target creature you control, then return that card to the battlefield under its owner's control. (Then exile this card. You may cast the creature later from exile.)