Put five +1/+1 counters on target creature. If this spell was cast from a graveyard, put ten +1/+1 counters on that creature instead.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Put a -1/-1 counter on target creature, two -1/-1 counters on another target creature, and three -1/-1 counters on a third target creature.

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

Whenever a Samurai you control dies, you may put a +1/+1 counter on Indebted Samurai.

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.

Flash (You may cast this spell any time you could cast an instant.)

Enchant creature

Enchanted creature gets +1/+2.

Enchant creature

Enchanted creature gets +4/+4 and has first strike, and all creatures able to block it do so.

Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Counter target spell. If was spent to cast this spell, that spell's controller mills X cards, where X is the spell's mana value.

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

Inescapable Brute must be blocked if able.

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

Whenever Infectious Horror attacks, each opponent 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.

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.

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.

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.

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.

Inferno deals 6 damage to each creature and each player.

: 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.

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.)

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.

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.

: 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.

Sunburst (This enters with a charge counter on it for each color of mana spent to cast it.)

, Remove X charge counters from Infused Arrows: Target creature gets -X/-X until end of turn.

When Ingot Chewer enters, destroy target artifact.

Evoke (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

: 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.

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

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

: Each unblocked creature has base power and toughness 4/1 until end of turn.

Whenever a player casts an instant or sorcery spell, if that spell targets only Ink-Treader Nephilim, copy the spell for each other creature that spell could target. Each copy targets a different one of those creatures.

Target creature gets +X/+X until end of turn, where X is the number of cards in your hand.

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.

When Inner-Flame Acolyte enters, target creature gets +2/+0 and gains haste until end of turn.

Evoke (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

, : Tap target creature.

Whenever you cast a Spirit or Arcane spell, untap Innocence Kami.

Target player reveals their hand. Inquisition deals damage to that player equal to the number of white cards in their hand.

When Inquisitor Exarch enters, choose one —

• You gain 2 life.

• Target opponent loses 2 life.

Prevent all damage target attacking or blocking creature would deal this turn. If that creature is black or red, destroy it.

: Insatiable Souleater gains trample until end of turn. ( can be paid with either or 2 life.)

Switch target creature's power and toughness until end of turn.

Draw a card.

As an additional cost to cast this spell, discard X cards.

Search your library for X cards, then shuffle and put those cards on top in any order.

The next creature spell you cast this turn can't be countered.

Draw a card.

Target player draws two cards.

Flash

Flying

Whenever you cast a Wizard spell, you may untap Inspired Sprite.

: Draw a card, then discard a card.

, , Discard a card: Creatures target player controls attack this turn if able.