Enchant creature

Enchanted creature has "At the beginning of your upkeep, sacrifice a creature."

Whenever you cast a spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

When Infected Defector dies, incubate 3. (Create an Incubator token with three +1/+1 counters on it and ": Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)

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.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

When Infernal Caretaker is turned face up, return all Zombie cards from all graveyards to their owners' hands.

Cumulative upkeep—Pay and 1 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.)

If a land is tapped for mana, it produces instead of any other type.

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.

Flying

Whenever you cast a Spirit or Arcane spell, target player reveals their hand and discards all cards with that spell's mana value.

Choose an opponent. You and that player each sacrifice a creature. Each player who sacrificed a creature this way draws two cards.

Choose an opponent. Return a creature card from your graveyard to the battlefield, then that player returns a creature card from their graveyard to the battlefield.

As an additional cost to cast this spell, sacrifice a creature.

Add .

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.

, Sacrifice a nontoken permanent: Draw a card.

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, you may say "I'm here." If you do, it deals 3 damage to target player.

Whenever Inferno Elemental blocks or becomes blocked by a creature, Inferno Elemental deals 3 damage to that creature.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

At the beginning of each end step, if Inferno Hellion attacked or blocked this turn, its owner shuffles it into their library.

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.

: Inferno Titan gets +1/+0 until end of turn.

Whenever Inferno Titan enters or attacks, it deals 3 damage divided as you choose among one, two, or three targets.

All creatures get -2/-2 until end of turn.

Equipped creature gets +2/+0.

Whenever equipped creature attacks, create a 1/1 colorless Phyrexian Mite artifact creature token with toxic 1 and "This creature can't block." (Players dealt combat damage by it also get a poison counter.)

Equip

Flash

When Infested Thrinax enters, until end of turn, whenever a nontoken creature you control dies, create a number of 1/1 green Saproling creature tokens equal to that creature's power.

Flying

Infesting Radroach can't block.

Whenever Infesting Radroach deals combat damage to a player, they get that many rad counters.

Whenever an opponent mills a nonland card, if Infesting Radroach is in your graveyard, you may return it to your hand.

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

Equip

Enchant creature

Creatures you control that are enchanted get +1/+1 and can't be blocked except by creatures with defender.

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.

Enchant creature

When Infinite Reflection enters attached to a creature, each other nontoken creature you control becomes a copy of that creature.

Nontoken creatures you control enter as a copy of enchanted creature.

Inflame deals 2 damage to each creature dealt damage this turn.

Visit — Draw a card.

Lights — 2, 6

Visit — Draw a card.

Lights — 4, 6

: Look at the top X cards of your library, where X is the number of Wizards on the battlefield, then put them back in any order.

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 you control enter, 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 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, 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.

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.)

, , Sacrifice an artifact: Return target artifact you control to its owner's hand.

Whenever a creature dies, you may pay . If you do, draw a card.

Flying

: Exile target creature card from a graveyard. Put a +1/+1 counter on Inherited Fiend.

: 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.

Aftermath (Cast this spell only from your graveyard. Then exile it.)

Injury deals 2 damage to target creature and 2 damage to target player or planeswalker.

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Ink-Eyes, Servant of Oni deals combat damage to a player, you may put target creature card from that player's graveyard onto the battlefield under your control.

: Regenerate Ink-Eyes.

Inkfathom Infiltrator can't block and can't be blocked.

Create a 2/1 white and black Inkling creature token with flying.