: Add one mana of any type that a land you control could produce. If Incubation Druid has a +1/+1 counter on it, add three mana of that type instead.

: Adapt 3. (If this creature has no +1/+1 counters on it, put three +1/+1 counters on it.)

Devoid (This card has no color.)

When Incubator Drone enters, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add ."

Whenever you cast your second spell each turn, Incursion Specialist gets +2/+0 until end of turn and can't be blocked this turn.

(: Add , , or .)

Indatha Triome enters tapped.

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

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.)

Afterlife 1 (When this permanent is put into a graveyard from the battlefield, create a 1/1 white and black Spirit creature token with flying.)

Enchanted creature gets +1/+1 and has afterlife 1.

Prevent all damage that Indentured Oaf would deal to red creatures.

Enchant permanent

Enchanted permanent has indestructible. (Effects that say "destroy" don't destroy that permanent. A creature with indestructible can't be destroyed by damage.)

Look at the top five cards of your library, then put them back in any order.

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

When Indoctrination Attendant enters, you may return another permanent you control to its owner's hand. If you do, create a 1/1 colorless Phyrexian Mite artifact creature token with toxic 1 and "This creature can't block."

Destroy X target artifacts and/or creatures. For each permanent destroyed this way, its controller reveals cards from the top of their library until an artifact or creature card is revealed and exiles that card. Those players put the exiled cards onto the battlefield, then shuffle.

Flash

Enchant creature

Enchanted creature gets +1/+2.

When Indrik Stomphowler enters, destroy target artifact or enchantment.

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.

Flying

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

At the beginning of your end step, if you gained 3 or more life this turn, each opponent loses 3 life.

As Ineffable Blessing enters, choose Flavorful or Bland.

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

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

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

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

As Ineffable Blessing enters, choose odd or even.

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

Enchant artifact

Enchanted artifact doesn't untap during its controller's untap step.

Wither (This deals damage to creatures in the form of -1/-1 counters.)

Inescapable Brute must be blocked if able.

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.

Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, Infernal Phantom gets +2/+0 until end of turn.

When Infernal Phantom dies, it deals damage equal to its power to any target.

Exile target colorless creature. You gain life equal to its power.

Flying, trample

Skip your draw step.

Whenever you play a land or cast a spell, you draw a card and you lose 1 life.

Flying, first strike, trample

Once each turn, while you're searching your library, you may pay , reveal Infernal Spawn of Infernal Spawn of Evil from your library and say "I'm coming, too" If you do, Infernal Spawn of Infernal Spawn of Evil deals 2 damage to a player of your choice.

Reveal a card from your hand. Search your library for a card with the same name as that card, reveal it, put it into your hand, then shuffle.

Hellbent — If you have no cards in hand, instead search your library for a card, put it into your hand, then shuffle.

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.)

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 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.)

Target creature can't be blocked this turn.

Shadow (This creature can block or be blocked by only creatures with shadow.)

Suspend 2— (Rather than cast this card from your hand, you may pay and exile it with two 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. It has haste.)