As Indominus Rex, Alpha enters the battlefield, discard any number of creature cards. It enters with a flying counter on it if a card discarded this way has flying. The same is true for first strike, double strike, deathtouch, hexproof, haste, indestructible, lifelink, menace, reach, trample, and vigilance.

When Indominus Rex enters the battlefield, draw a card for each counter on it.

When Indrik Stomphowler enters the battlefield, destroy target artifact or enchantment.

When Induced Amnesia enters the battlefield, target player exiles all cards from their hand face down, then draws that many cards.

When Induced Amnesia is put into a graveyard from the battlefield, return the exiled cards to their owner's hand.

Lifelink

, Sacrifice a creature: Put a +1/+1 counter on each Vampire you control.

As Ineffable Blessing enters the battlefield, choose Flavorful or Bland.

• Flavorful — Whenever a creature with flavor text enters the battlefield under your control, draw a card.

• Bland — Whenever a creature without flavor text enters the battlefield under your control, draw a card.

As Ineffable Blessing enters the battlefield, choose white-bordered or silver-bordered.

Whenever a creature with the chosen border enters the battlefield under your control, draw a card.

As Ineffable Blessing enters the battlefield, choose odd or even.

Whenever a creature with a collector number of the chosen value enters the battlefield under your control, draw a card.

This spell can't be countered.

Inescapable Blaze deals 6 damage to any target.

Target creature you control deals damage equal to its power to target creature you don't control. Each opponent gets a poison counter.

Enchant player

Spells you cast that target enchanted player cost less to cast.

At the beginning of enchanted player's upkeep, that player loses 1 life and you gain 1 life.

When Infectious Host dies, target player loses 2 life.

Enchant creature

Enchanted creature gets +2/-1.

When enchanted creature dies, choose a creature at random Infectious Rage can enchant. Return Infectious Rage to the battlefield attached to that creature.

At the beginning of each player's upkeep, that player mills a card. Then they create X 1/1 black Minion creature tokens, where X is the milled card's mana value.

As an additional cost to cast this spell, return X Swamps you control to their owner's hand.

Infernal Harvest deals X damage divided as you choose among any number of target creatures.

Enchant creature

Enchanted creature gets +2/+0 and has "When this creature dies, draw a card."

Flying, first strike

, Reveal Infernal Spawn of Evil from your hand, Say "It's coming": Infernal Spawn of Evil deals 1 damage to target opponent or planeswalker. Activate only during your upkeep and only once each turn.

Flying, first strike, trample, haste

This spell costs less to cast for each card you've revealed this turn.

When Infernius Spawnington III, Esq. enters the battlefield, you may say "I'm here." If you do, it deals 3 damage to target player.

This spell can't be countered.

Flying, haste

: Inferno of the Star Mounts gets +1/+0 until end of turn. When its power becomes 20 this way, it deals 20 damage to any target.

Whenever Infestation Expert enters the battlefield or attacks, create a 1/1 green Insect creature token.

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Defender (This creature can't attack.)

Protection from artifacts

Whenever an opponent casts an artifact spell, you may create a 1/1 green Insect creature token.

Whenever Infested Werewolf enters the battlefield or attacks, create two 1/1 green Insect creature tokens.

Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Whenever equipped creature becomes blocked by a creature, you may draw two cards.

Equip

At the beginning of your upkeep, put a time counter on Infinite Hourglass.

All creatures get +1/+0 for each time counter on Infinite Hourglass.

: Remove a time counter from Infinite Hourglass. Any player may activate this ability but only during any upkeep step.

Untap target artifact, creature, or land.

Draw a card at the beginning of the next turn's upkeep.

Until end of turn, target creature gains deathtouch and "When this creature dies, return it to the battlefield tapped under its owner's control."

You gain 2 life.

Creatures you control have vigilance and ": Add one mana of any color. Spend this mana only to cast a creature spell."

Whenever you cast a creature spell, if three or more mana from creatures was spent to cast it, draw a card.

Whenever one or more artifacts enter the battlefield under your control, Ingenious Artillerist deals that much damage to each opponent.

: Put a +1/+1 counter on another target attacking creature you control. If that creature is a Cat, it gains first strike until end of turn.

Skulk (This creature can't be blocked by creatures with greater power.)

Ingenious Prodigy enters the battlefield with X +1/+1 counters on it.

At the beginning of your upkeep, if Ingenious Prodigy has one or more +1/+1 counters on it, you may remove a +1/+1 counter from it. If you do, draw a card.

When Ingenious Smith enters the battlefield, 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 enter the battlefield under your control, put a +1/+1 counter on Ingenious Smith. This ability triggers only once each turn.

: Initiate of Blood deals 1 damage to target creature that was dealt damage this turn. When that creature dies this turn, flip Initiate of Blood.

: Add . If this ability has been activated four or more times this turn, sacrifice Initiates of the Ebon Hand at the beginning of the next end step.

Kinship — At the beginning of your upkeep, you may look at the top card of your library. If it shares a creature type with Ink Dissolver, you may reveal it. If you do, each opponent mills three cards.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

When Inkfathom Divers enters the battlefield, look at the top four cards of your library, then put them back in any order.

: Add .

: Inkmoth Nexus becomes a 1/1 Phyrexian Blinkmoth artifact creature with flying and infect until end of turn. It's still a land. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Prevent all combat damage that would be dealt to you this turn. For each 1 damage prevented this way, create a 2/1 white and black Inkling creature token with flying.

Cumulative upkeep—Pay 2 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

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

Whenever Innocent Bystander is dealt 3 or more damage, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Parley — Whenever Innocuous Researcher attacks, each player reveals the top card of their library. For each nonland card revealed this way, you investigate. Then each player draws a card.

At the beginning of your end step, you may untap all lands you control. If you do, you can't cast spells until your next turn.

Target player reveals their hand. You choose a nonland card from it with mana value 3 or less. That player discards that card.

Vigilance

When Inquisitor Captain enters the battlefield, if there are twenty or more creature cards with mana value 3 or less among cards in your graveyard, hand, and library, seek two creature cards with mana value 3 or less. Put one of them onto the battlefield and shuffle the other into your library.

When Inquisitor Exarch enters the battlefield, choose one —

• You gain 2 life.

• Target opponent loses 2 life.

Inquisition Agents — Whenever equipped creature attacks, create a 2/2 white Astartes Warrior creature token with vigilance that's attacking. Then attacking creatures gain menace until end of turn.

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

Delirium — Inquisitor's Ox gets +1/+0 and has vigilance as long as there are four or more card types among cards in your graveyard.

You may sacrifice a Food. If you do, target creature gets +5/+5 until end of turn. Otherwise, that creature gets +3/+3 until end of turn.

Insatiable Gorgers attacks each combat if able.

Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Deathtouch

Whenever this creature mutates, each opponent loses X life and you gain X life, where X is the number of times this creature has mutated.

, , Sacrifice Inscribed Tablet: Reveal the top five cards of your library. Put a land card from among them into your hand and the rest on the bottom of your library in a random order. If you didn't put a card into your hand this way, draw a card.

Kicker

Choose one. If this spell was kicked, choose any number instead.

• Return up to two target creatures to their owners' hands.

• Scry 2, then draw two cards.

• Target player creates an X/X blue Illusion creature token, where X is the number of cards in their hand.

Flying