Commander creatures you own have "Creature tokens you control get +2/+2."

During your turn, this creature has first strike. (It deals combat damage before creatures without first strike.)

During your turn, creatures you control with +1/+1 counters on them have first strike.

Put a +1/+1 counter on each creature you control.

Whenever Inspiring Unicorn attacks, creatures you control get +1/+1 until end of turn.

Other Knights you control get +1/+1.

Whenever you crank Insufferable Syphon, target player discards a card.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Ward

When Interdisciplinary Mascot enters, look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in a random order.

Interplanar (This creature enters onto the interplanar battlefield. Players can't control creatures on the interplanar battlefield.)

Vigilance, haste

Whenever a player attacks with a creature with power 4 or greater, CARDNAME also attacks the player or planeswalker that creature is attacking.

The next time a source of your choice would deal damage to you this turn, prevent that damage. You gain life equal to the damage prevented this way.

At the beginning of your next upkeep, pay . If you don't, you lose the game.

You may look at the top card of your library any time.

You may cast spells from the top of your library by sacrificing a nonland permanent in addition to paying their other costs.

: Destroy target creature with power 4 or greater.

: Add one mana of any color.

: Exile target card from a graveyard.

You may cast Dinosaur creature spells from among cards you own exiled with Intrepid Paleontologist. If you cast a spell this way, that creature enters with a finality counter on it. (If a creature with a finality counter on it would die, exile it instead.)

Offspring (You may pay an additional as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)

When this creature enters, target creature you control gets +1/+1 until end of turn.

Whenever Intrepid Trufflesnout attacks alone, create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Vigilance

When Intrusive Packbeast enters, tap up to two target creatures your opponents control.

(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.)

When Invasion of New Capenna enters, you may sacrifice an artifact or creature. When you do, exile target artifact or creature an opponent controls.

(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.)

When Invasion of Pyrulea enters, scry 3, then reveal the top card of your library. If it's a land or double-faced card, draw a card.

When Invasive Species enters, return another permanent you control to its owner's hand.

Choose target spell, then flip a coin. If you win the flip, gain control of that spell and you may choose new targets for it. If you lose the flip, counter that spell.

Invigorating Hot Spring enters with four +1/+1 counters on it.

Modified creatures you control have haste. (Equipment, Auras you control, and counters are modifications.)

Remove a +1/+1 counter from Invigorating Hot Spring: Put a +1/+1 counter on target creature you control. Activate only as a sorcery and only once each turn.

Whenever an opponent casts a creature spell that doesn't share a color with a creature you control, counter that spell unless that player pays , where X is its mana value.

Landfall — Whenever a land you control enters, you may put a quest counter on Ior Ruin Expedition.

Remove three quest counters from Ior Ruin Expedition and sacrifice it: Draw two cards.

Trample

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)

Paradox — Whenever you cast a spell from anywhere other than your hand, create a 2/2 red Alien Warrior creature token.

Create a token that's a copy of target creature you control, except the token has flying and it isn't legendary.

Iron Apprentice enters with a +1/+1 counter on it.

When Iron Apprentice dies, if it had counters on it, put those counters on target creature you control.

Reach

Whenever you cast your second spell each turn, Iron-Fist Pulverizer deals 2 damage to target opponent. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Target creature must be blocked this turn if able.

Draw a card.

Shroud (This creature can't be the target of spells or abilities.)

Isleback Spawn gets +4/+8 as long as a library has twenty or fewer cards in it.

Isolated Chapel enters tapped unless you control a Plains or a Swamp.

: Add or .

Flying

Whenever a creature attacks you or a planeswalker you control, you may draw a card.

Return target creature card from your graveyard to the battlefield. Suspect it. (It has menace and can't block.)

Flying

Whenever a player casts a spell that targets only a single creature other than Ivy, Gleeful Spellthief, you may copy that spell. The copy targets Ivy. (A copy of an Aura spell becomes a token.)

, , Sacrifice Ixalli's Keeper: Target creature gets +5/+5 and gains trample until end of turn.

Face-down creatures get +1/+1.

: Turn target face-down creature face up.

+1: Up to one target creature gets -2/-0 until your next turn.

−3: You may cast target instant or sorcery card from your graveyard this turn. If that spell would be put into your graveyard, exile it instead.

−9: You get an emblem with "Whenever you cast a spell, target opponent mills five cards."

+2: Look at the top card of target player's library. You may put that card on the bottom of that player's library.

0: Draw three cards, then put two cards from your hand on top of your library in any order.

−1: Return target creature to its owner's hand.

−12: Exile all cards from target player's library, then that player shuffles their hand into their library.

: Draw a card, then discard a card. If there are five or more cards in your graveyard, exile Jace, Vryn's Prodigy, then return him to the battlefield transformed under his owner's control.

Whenever you draw a card, put a +1/+1 counter on Jace's Projection.

: Put a loyalty counter on target Jace planeswalker.

Whenever Jackal Pup is dealt damage, it deals that much damage to you.

: Draw a card, then exile a card from your hand face down. You may look at that card for as long as it remains exiled. You may pay . If you do, transform Jacob Hauken, Inspector.

Counter target spell if it shares a color with a creature you control.

Whenever Jagged Poppet is dealt damage, discard that many cards.

Hellbent — Whenever Jagged Poppet deals combat damage to a player, if you have no cards in hand, that player discards cards equal to the damage.

Search your library for up to X basic land cards, where X is the number of creatures attacking you, put those cards onto the battlefield tapped, then shuffle.

Prevent all combat damage that would be dealt this turn.

Remove a ki counter from Jaraku the Interloper: Counter target spell unless its controller pays .

Whenever a Zombie or Mutant you control dies, if its power was different from its base power, draw a card.

Come Fly With Me — , Sacrifice a creature: Put a +1/+1 counter on target creature you control. It gains flying until end of turn.

Flying, haste

Whenever Jaya's Phoenix deals combat damage to a player or planeswalker, copy the next loyalty ability you activate this turn when you activate it. You may choose new targets for the copy.

Whenever you cast a planeswalker spell, you may return Jaya's Phoenix from your graveyard to the battlefield.

Flying, vigilance

Whenever Jelenn Sphinx attacks, other attacking creatures get +1/+1 until end of turn.

Flying, vigilance

At the beginning of your end step, if you haven't cast a spell from your hand this turn, draw a card.

First strike, haste

: Jeska, Warrior Adept deals 1 damage to any target.

, , Sacrifice Jester's Cap: Search target player's library for three cards and exile them. Then that player shuffles.