Bloodthirst X (This creature enters with X +1/+1 counters on it, where X is the damage dealt to your opponents this turn.)

Menace

Enrage — Whenever Indoraptor, the Perfect Hybrid is dealt damage, choose an opponent at random. Indoraptor deals damage equal to its power to that player unless they sacrifice a nontoken creature of their choice.

As an additional cost to cast this spell, reveal a creature card from your hand.

Target creature gets -X/-X until end of turn, where X is the revealed card's mana value.

When Induced Amnesia enters, 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.

At the beginning of your end step, you may sacrifice a creature. If you do, look at the top X cards of your library, where X is that creature's mana value. You may put a creature card from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

As Ineffable Blessing enters, choose an artist.

Whenever a creature with art by the chosen artist enters under your control, draw a card.

As Ineffable Blessing enters, choose a rarity.

Whenever a creature you control with the chosen rarity enters, draw a card.

As Ineffable Blessing enters, choose a number.

Whenever a creature you control with exactly the chosen number of words in its name enters, draw a card. (Hyphenated words are one word.)

This spell can't be countered.

Inescapable Blaze deals 6 damage to any target.

Suspend 3— (Rather than cast this card from your hand, pay and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

Search target opponent's library for a creature card and put that card onto the battlefield under your control. Then that player shuffles.

Delirium — Whenever Inexorable Blob attacks, if there are four or more card types among cards in your graveyard, create a 3/3 green Ooze creature token that's tapped and attacking.

: Target attacking creature gets +1/+1 until end of turn.

: Infected Vermin deals 1 damage to each creature and each player.

Threshold — : Infected Vermin deals 3 damage to each creature and each player. Activate only if seven or more cards are in your graveyard.

Enchant creature

Enchanted creature gets +2/+1, has haste, and attacks each combat if able.

When enchanted creature dies, you may search your library for a card named Infectious Bloodlust, reveal it, put it into your hand, then shuffle.

Whenever Infectious Horror attacks, each opponent loses 2 life.

You draw two cards and you lose 2 life. Each opponent gets a poison counter.

Exploit (When this creature enters, you may sacrifice a creature.)

When Infernal Captor exploits a creature, gain control of target artifact or creature until end of turn. Untap that permanent. It gains haste until end of turn.

Draw four cards. You lose half your life, rounded up.

At the beginning of your upkeep, sacrifice two Swamps. If you can't, tap Infernal Denizen, and an opponent may gain control of a creature you control of their choice for as long as Infernal Denizen remains on the battlefield.

: Gain control of target creature for as long as Infernal Denizen remains on the battlefield.

Destroy target creature. You lose 2 life.

: Add .

, , Sacrifice Infernal Idol: You draw two cards and you lose 2 life.

Whenever Infernal Medusa blocks a creature, destroy that creature at end of combat.

Whenever Infernal Medusa becomes blocked by a non-Wall creature, destroy that creature at end of combat.

Whenever you cast your second spell each turn, put a +1/+1 counter on Infernal Pet and it gains flying until end of turn.

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.

When this creature dies, if it wasn't a Demon, return it to the battlefield under its owner's control with two +1/+1 counters on it. It's a Demon in addition to its other types.

Inferno deals 6 damage to each creature and each player.

Enchant creature you control

Enchanted creature gets +2/+0.

, Sacrifice Inferno Fist: Inferno Fist deals 2 damage to any target.

Inferno Jet deals 6 damage to target opponent or planeswalker.

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

Trample

Inferno Project enters with X +1/+1 counters on it, where X is the total mana value of instant and sorcery cards in your graveyard.

If you've been dealt damage by two or more creatures this turn, you may pay rather than pay this spell's mana cost.

Inferno Trap deals 4 damage to target creature.

Whenever Infestation Expert enters 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.)

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

Whenever enchanted creature blocks or becomes blocked by a creature with toughness 3 or less, destroy the other creature at end of combat. At the beginning of the next end step, if that creature was destroyed this way, put a +1/+1 counter on the first creature.

Choose a creature card name. Search target opponent's graveyard, hand, and library for any number of cards with that name and exile them. Then that player shuffles.

(This creature has INFINITE POWER.)

: 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. (It deals combat damage before creatures without first strike.)

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.