When Hidden Horror enters the battlefield, sacrifice it unless you discard a creature card.

Devoid (This card has no color.)

When you cast this spell, for each opponent, gain control of up to one target creature that player controls until end of turn. Untap those creatures. They gain trample, haste, and annihilator 1 until end of turn.

Trample, haste, annihilator 1 (Whenever this creature attacks, defending player sacrifices a permanent.)

, Sacrifice a creature: Scry 2.

, : Exile the top card of your library. You may play that card this turn. When you exile a nonland card this way, Hidetsugu, Devouring Chaos deals damage equal to the exiled card's mana value to any target.

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.)

Flying

When High Fae Negotiator enters the battlefield, if it was bargained, each opponent loses 3 life and you gain 3 life.

Flying

High Sentinels of Arashin gets +1/+1 for each other creature you control with a +1/+1 counter on it.

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

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Vigilance

When Highcliff Felidar enters the battlefield, for each opponent, choose a creature with the greatest power among creatures that player controls. Destroy those creatures.

When Highland Game dies, you gain 2 life.

Reach

Whenever High-Rise Sawjack blocks a creature with flying, High-Rise Sawjack gets +2/+0 until end of turn.

Flying, trample

When Highway Robber enters the battlefield, target opponent loses 2 life and you gain 2 life.

Flying

Whenever you cast a Spirit or Arcane spell, you may exile Hikari, Twilight Guardian. If you do, return it to the battlefield under its owner's control at the beginning of the next end step.

When Hill Giant Herdgorger enters the battlefield, you gain 3 life.

Flying, trample

Spells you cast cost less to cast for each target.

Spells your opponents cast cost more to cast for each target.

Flying

Hinterland Drake can't block artifact creatures.

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

Hipparion can't block creatures with power 3 or greater unless you pay .

When Hired Giant enters the battlefield, each other player may search their library for a land card and put that card onto the battlefield. Then each player who searched their library this way shuffles.

Whenever you cast a Spirit or Arcane spell, you may put a ki counter on Hired Muscle.

At the beginning of the end step, if there are two or more ki counters on Hired Muscle, you may flip it.

Defender

, : Target opponent loses 2 life, then reveals a card at random from their hand.

You may choose not to untap Hisoka's Guard during your untap step.

, : Target creature you control other than Hisoka's Guard has shroud for as long as Hisoka's Guard remains tapped. (It can't be the target of spells or abilities.)

Whenever Historian of Zhalfir attacks, if you control a Teferi planeswalker, draw a card.

Whenever Hiveheart Shaman attacks, you may search your library for a basic land card that doesn't share a land type with a land you control, put that card onto the battlefield, then shuffle.

: Create a 1/1 green Insect creature token. Put X +1/+1 counters on it, where X is the number of basic land types among lands you control. Activate only as a sorcery.

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

Whenever a creature deals combat damage to you, if Hixus, Prison Warden entered the battlefield this turn, exile that creature until Hixus leaves the battlefield. (That creature returns under its owner's control.)

Whenever Hoard Robber deals combat damage to a player, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Flying

When Hoarding Dragon enters the battlefield, you may search your library for an artifact card, exile it, then shuffle.

When Hoarding Dragon dies, you may put the exiled card into its owner's hand.

Reach, deathtouch

When Hoarding Recluse dies, put up to one other target card from a graveyard on the bottom of its owner's library.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

, Sacrifice another creature: Put a +1/+1 counter on Hobblefiend.

Other Goblins you control get +1/+1.

, : Hobgoblin Bandit Lord deals damage equal to the number of Goblins that entered the battlefield under your control this turn to any target.

Flying, first strike

You can't spend mana to cast this spell.

Convoke, delve (Each creature you tap while casting this spell pays for or one mana of that creature's color. Each card you exile from your graveyard pays for .)

You may cast Hogaak, Arisen Necropolis from your graveyard.

Trample

Lands don't untap during their controllers' untap steps.

At the beginning of each player's upkeep, that player untaps a land they control.

This spell costs less to cast for each creature card in your graveyard.

Flying

When Hollow Marauder enters the battlefield, any number of target opponents each discard a card. For each of those opponents who didn't discard a card with mana value 4 or greater, draw a card.

, Sacrifice a Food: Hollow Scavenger gets +2/+2 until end of turn. Activate only once each turn.

Hollow Warrior can't attack or block unless you tap an untapped creature you control not declared as an attacking or blocking creature this combat. (This cost is paid as attackers or blockers are declared.)

Sliver creatures you control have ", Discard a card: Draw a card."

Hexproof

Other permanents you control have hexproof.

At the beginning of combat on your turn, put two +1/+1 counters on each creature you control.

Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Morbid — When Hollowhenge Scavenger enters the battlefield, if a creature died this turn, you gain 5 life.

When Hollowhenge Wrangler enters the battlefield, seek a land card.

Discard a land card: Conjure a card named Hollowhenge Beast into your hand. You may also activate this ability while Hollowhenge Wrangler is in your graveyard.

, Exile Holographic Double from your hand: Choose a creature card in your hand. Conjure a duplicate of it into your hand.

, : Tap target creature. If that creature is a Zombie, exile it.

When Homarid Explorer enters the battlefield, target player mills four cards.

: Homarid Warrior gains shroud until end of turn and doesn't untap during your next untap step. Tap Homarid Warrior. (A creature with shroud can't be the target of spells or abilities.)

Whenever one or more nontoken creatures you control die, investigate. This ability triggers only once each turn. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Homura, Human Ascendant can't block.

When Homura dies, return it to the battlefield flipped.

When Honest Rutstein enters the battlefield, return target creature card from your graveyard to your hand.

Creature spells you cast cost less to cast.

: Honor Guard gets +0/+1 until end of turn.

When Honorable Scout enters the battlefield, you gain 2 life for each black and/or red creature target opponent controls.

Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)

As long as Honored Hierarch is renowned, it has vigilance and ": Add one mana of any color."

When Hooded Assassin enters the battlefield, choose one —

• Put a +1/+1 counter on Hooded Assassin.

• Destroy target creature that was dealt damage this turn.