When Insidious Bookworms dies, you may pay . If you do, target player discards a card at random.

Hexproof, indestructible

Insidious Mist can't block and can't be blocked.

Whenever Insidious Mist attacks and isn't blocked, you may pay . If you do, transform it.

Choose one —

• Counter target spell.

• You may choose new targets for target spell.

• Copy target instant or sorcery spell. You may choose new targets for the copy.

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

Draw a card.

Menace (This creature can't be blocked except by two or more creatures.)

Discard a card, Sacrifice Insolent Neonate: Draw a card.

Legacy — Before the game starts, choose a keyword or ability word and write it below.

Spells with __________ you cast cost less to cast.

Creatures you control get +2/+1 until end of turn.

When Inspired Inventor enters the battlefield, choose one —

• You get (three energy counters).

• Put a +1/+1 counter on target creature.

• Create a 1/1 colorless Servo artifact creature token.

Flash

Flying

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

: Draw a card, then discard a card.

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

Draw a card for each creature you control with a +1/+1 counter on it. Those creatures gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

When Inspiring Cleric enters the battlefield, you gain 4 life.

Commander creatures you own have "Creature tokens you control get +2/+2."

Draw two cards. Exile Inspiring Refrain with three time counters on it.

Suspend 3— (Rather than cast this card from your hand, you may 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.)

Nonartifact spells you cast have improvise. (Your artifacts can help cast those spells. Each artifact you tap after you're done activating mana abilities pays for .)

Inspiring Vantage enters the battlefield tapped unless you control two or fewer other lands.

: Add or .

Untap target creature. It gets +2/+4 until end of turn.

Attacking creatures you control get +1/+0.

At the beginning of each upkeep, if no spells were cast last turn, transform Instigator Gang.

Enchant creature

Enchanted creature has "At the beginning of your end step, sacrifice this creature unless it attacked this turn."

At the beginning of your upkeep, you may put a harmony counter on Instrument of the Bards.

, : Search your library for a creature card with mana value equal to the number of harmony counters on Instrument of the Bards, reveal it, and put it into your hand. If that card is legendary, create a Treasure token. Then shuffle.

Enchant creature

At the beginning of the end step of enchanted creature's controller, Insubordination deals 2 damage to that player unless that creature attacked this turn.

Whenever you crank Insufferable Syphon, target player discards a card.

Untap all creatures and gain control of them until end of turn. They gain haste until end of turn.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Ward

When Interdisciplinary Mascot enters the battlefield, look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in a random order.

Scry 3, then reveal the top card of your library. Draw cards equal to that card's mana value. (To scry 3, look at the top three cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

This spell costs less to cast if an opponent has seven or more cards in their graveyard.

Draw four cards.

Lifelink

When Intrepid Adversary enters the battlefield, you may pay any number of times. When you pay this cost one or more times, put that many valor counters on Intrepid Adversary.

Creatures you control get +1/+1 for each valor counter on Intrepid Adversary.

Trample

When Intrepid Provisioner enters the battlefield, another target Human you control gets +2/+2 until end of turn.

Whenever Intrepid Trufflesnout attacks alone, create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Imprint — When Invader Parasite enters the battlefield, exile target land.

Whenever a land with the same name as the exiled card enters the battlefield under an opponent's control, 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 Amonkhet enters the battlefield, each player mills three cards, then each opponent discards a card and you draw a card. (To mill three cards, a player puts the top three cards of their library into their graveyard.)

(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 Azgol enters the battlefield, target player sacrifices a creature or planeswalker and loses 1 life.

(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 Dominaria enters the battlefield, you gain 4 life and draw a card.

(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 Ergamon enters the battlefield, create a Treasure token. Then you may discard a card. If you do, draw a card.

(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 Gobakhan enters the battlefield, look at target opponent's hand. You may exile a nonland card from it. For as long as that card remains exiled, its owner may play it. A spell cast this way costs more to cast.

(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.)

Flash

When Invasion of Innistrad enters the battlefield, target creature an opponent controls gets -13/-13 until end of turn.

(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 Kaladesh enters the battlefield, create a 1/1 colorless Thopter artifact creature token with flying.

(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 Kamigawa enters the battlefield, tap target artifact or creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

(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 Kylem enters the battlefield, up to two target creatures each get +2/+0 and gain vigilance and haste until end of turn.

(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 Mercadia enters the battlefield, you may discard a card. If you do, draw two cards.

(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 Muraganda enters the battlefield, put a +1/+1 counter on target creature you control. Then that creature fights up to one target creature you don't control.

(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 New Phyrexia enters the battlefield, create X 2/2 white and blue Knight creature tokens with vigilance.

(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 Ravnica enters the battlefield, exile target nonland permanent an opponent controls that isn't exactly two colors.

(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 Segovia enters the battlefield, create two 1/1 blue Kraken creature tokens with trample.

(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 Tarkir enters the battlefield, reveal any number of Dragon cards from your hand. When you do, Invasion of Tarkir deals X plus 2 damage to any other target, where X is the number of cards revealed this way. (X can be 0.)

(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 Theros enters the battlefield, search your library for an Aura, God, or Demigod card, reveal it, put it into your hand, then shuffle.

(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 Ulgrotha enters the battlefield, it deals 3 damage to any other target and you gain 3 life.

(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 Xerex enters the battlefield, return up to one target creature to its owner's hand.

All creatures block each combat if able.

The attacking player chooses how each creature blocks each combat.

Counter target sorcery spell.

Delirium — If there are four or more card types among cards in your graveyard, search the graveyard, hand, and library of that spell's controller for any number of cards with the same name as that spell, exile those cards, then that player shuffles.