Flying

Whenever Impaler Shrike deals combat damage to a player, you may sacrifice it. If you do, draw three cards.

Impeccable Timing deals 3 damage to target attacking or blocking creature.

Paradox — Impending Flux deals X damage to each opponent and each creature they control, where X is 1 plus the number of spells you've cast from anywhere other than your hand this turn.

Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

, Sacrifice Implement of Combustion: It deals 1 damage to target player or planeswalker.

When Implement of Combustion is put into a graveyard from the battlefield, draw a card.

Improvised Weaponry deals 2 damage to any target. Create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Affinity for artifacts (This spell costs less to cast for each artifact you control.)

When Imskir Iron-Eater enters, you draw X cards and you lose X life, where X is half the number of artifacts you control, rounded down.

, Sacrifice an artifact: Imskir deals damage equal to the sacrificed artifact's mana value to any target.

Enchant creature

At the beginning of your upkeep, you may put a fuse counter on Incendiary.

When enchanted creature dies, Incendiary deals X damage to any target, where X is the number of fuse counters on Incendiary.

Incendiary Flow deals 3 damage to any target. If a creature dealt damage this way would die this turn, exile it instead.

As an additional cost to cast this spell, sacrifice an artifact.

Incendiary Sabotage deals 3 damage to each creature.

Flying, trample

Whenever Incinerator of the Guilty deals combat damage to a player, you may collect evidence X. When you do, Incinerator of the Guilty deals X damage to each creature and planeswalker that player controls. (To collect evidence X, exile cards with total mana value X or greater from your graveyard.)

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

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."

Whenever a creature you control attacks this turn, create a 1/1 green and white Citizen creature token that's tapped and attacking.

This spell can't be countered.

Inescapable Blaze deals 6 damage to any target.

: 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.

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, 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.

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.)

: 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.

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

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

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

Whenever a Ninja you control deals combat damage to a player, draw a card.

Whenever Initiate's Companion deals combat damage to a player, untap target creature or land.

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.

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.

Target creature deals damage to itself equal to its power.

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

If equipped creature would deal combat damage, it deals double that damage instead.

If another creature would deal combat damage to equipped creature, it deals double that damage to equipped creature instead.

Equip

Enchant creature

Whenever enchanted creature becomes tapped, Insolence deals 2 damage to that creature's controller.

Target player gains 5 life, Inspired Ultimatum deals 5 damage to any target, then you draw five cards.

Damage can't be prevented this turn. If a source you control would deal damage this turn, it deals double that damage instead.

Intervention deals 3 damage to any target and you gain 3 life.

Flying

Whenever Intet, the Dreamer deals combat damage to a player, you may pay . If you do, exile the top card of your library face down. You may look at that card for as long as it remains exiled. You may play that card without paying its mana cost for as long as Intet remains on the battlefield.

Choose one —

• Into the Fire deals 2 damage to each creature, planeswalker, and battle.

• Put any number of cards from your hand on the bottom of your library, then draw that many cards plus one.

Imprint — When Invader Parasite enters, exile target land.

Whenever a land an opponent controls with the same name as the exiled card enters, Invader Parasite deals 2 damage to that player.

(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.)

When Invasion of Regatha enters, it deals 4 damage to another target battle or opponent and 1 damage to up to one target creature.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I — Scry 2.

II — Draw a card. Then you may reveal a Giant card from your hand. When you do, Invasion of the Giants deals 2 damage to target opponent or planeswalker.

III — The next Giant spell you cast this turn costs less to cast.

Enchant creature

Prevent all damage that would be dealt to enchanted creature.

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)

The next time a source of your choice would deal damage to you this turn, prevent that damage.

Counter target spell. Ionize deals 2 damage to that spell's controller.

Whenever you draw your second card each turn, Irencrag Pyromancer deals 3 damage to any target.

Indestructible

As long as your devotion to red and white is less than seven, Iroas isn't a creature.

Creatures you control have menace.

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

Double strike (This creature deals both first-strike and regular combat damage.)

Whenever Iron Mastiff attacks, roll a d20 for each player being attacked and ignore all but the highest roll.

1–9 | Iron Mastiff deals damage equal to its power to you.

10–19 | Iron Mastiff deals damage equal to its power to defending player.

20 | Iron Mastiff deals damage equal to its power to each opponent.

Reach

Whenever you cast your second spell each turn, Iron-Fist Pulverizer deals 2 damage to target opponent. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Damage can't be prevented this turn. If a source you control would deal damage this turn to an opponent or a permanent an opponent controls, it deals triple that damage instead.

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

Flying

Whenever Isperia the Inscrutable deals combat damage to a player, choose a card name. That player reveals their hand. If a card with the chosen name is revealed this way, search your library for a creature card with flying, reveal it, put it into your hand, then shuffle.

Haste

When Itzquinth, Firstborn of Gishath enters, you may pay . When you do, target Dinosaur you control deals damage equal to its power to another target creature.