If you control a Swamp, destroy target nonblack creature.

Splice onto Arcane—Exile four cards from your graveyard. (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Sacrifice a Swamp: Regenerate target black creature. (The next time that creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)

: Horror of the Dim gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

When Hostile Investigator enters the battlefield, target opponent discards a card.

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

Exile the top three cards of your library in a face-down pile, then exile the top three cards of your library in another face-down pile. Look at the cards in each pile, then turn a pile of your choice face up. An opponent chooses one of those piles. Put that pile into your hand and the other into your graveyard. You lose 3 life.

Up to one target creature has base power and toughness 1/1 until end of turn. Up to one other target creature has base power and toughness 4/4 until end of turn. Then Hostile Takeover deals 3 damage to each creature.

When Hot Pursuit enters the battlefield, suspect target creature an opponent controls. As long as Hot Pursuit remains on the battlefield, that creature is also goaded.

At the beginning of combat on your turn, if two or more players have lost the game, gain control of all goaded and/or suspected creatures until end of turn. Untap them. They gain haste until end of turn.

Haste

Hotheaded Giant enters the battlefield with two -1/-1 counters on it unless you've cast another red spell this turn.

Delirium — Hound of the Farbogs has menace as long as there are four or more card types among cards in your graveyard. (A creature with menace can't be blocked except by two or more creatures.)

Exile target creature. If that creature was a God, its controller reveals their hand and exiles all cards from it with the same name as that creature.

Return CARDNAME to its owner's hand.

When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy.

Raid — If you attacked this turn, when you next cast an instant or sorcery spell this turn, copy that spell an additional time. You may choose new targets for the copy.

Target creature gets +4/+0 until end of turn.

Howlpack Wolf can't block unless you control another Wolf or Werewolf.

+2: You gain life equal to the greatest power among creatures you control.

0: Create a 3/3 green Dinosaur creature token with trample.

−X: Huatli, Warrior Poet deals X damage divided as you choose among any number of target creatures. Creatures dealt damage this way can't block this turn.

Haste

Hulking Ogre can't block.

Destroy target Human creature.

Target opponent reveals their hand. You choose a nonland card from it. That player discards that card. Put a +1/+1 counter on a creature you control.

As long as you control a green or blue permanent, you may cast Hungering Yeti as though it had flash. (You may cast it any time you could cast an instant.)

Create a 3/1 black and red Vampire creature token with trample, lifelink, and haste. Sacrifice it at the beginning of the next end step.

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

Create a 1/1 black and green Pest creature token with "When this creature dies, you gain 1 life."

Learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.)

Flying, haste

When Hunted Dragon enters the battlefield, target opponent creates three 2/2 white Knight creature tokens with first strike.

Trample

When Hunted Horror enters the battlefield, target opponent creates two 3/3 green Centaur creature tokens with protection from black.

When Hunter of Eyeblights enters the battlefield, put a +1/+1 counter on target creature you don't control.

, : Destroy target creature with a counter on it.

, : Exile Hunting Kavu and target creature without flying that's attacking you.

Whenever this creature enters the battlefield or transforms into Huntmaster of the Fells, create a 2/2 green Wolf creature token and you gain 2 life.

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

, Sacrifice another creature: Hurler Cyclops deals 1 damage to any target.

Denimwalk (This creature can't be blocked as long as defending player is wearing denim.)

: Target creature can't be regenerated this turn.

: Hyalopterous Lemure gets -1/-0 and gains flying until end of turn.

Target player discards two cards at random.

Flying, haste

You may cast sorcery spells as though they had flash. (You may cast them any time you could cast an instant.)

Kicker (You may pay an additional as you cast this spell.)

Target player discards a card. If this spell was kicked, that player discards three cards instead.

Flying

When Hypnox enters the battlefield, if you cast it from your hand, exile all cards from target opponent's hand.

When Hypnox leaves the battlefield, return the exiled cards to their owner's hand.

Deathtouch

: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)

When Hythonia the Cruel becomes monstrous, destroy all non-Gorgon creatures.

Whenever Ian the Reckless attacks, if it's modified, you may have it deal damage equal to its power to you and any target. (Equipment, Auras you control, and counters are modifications.)

Tap target permanent.

Draw a card.

Destroy target land. If that land was a snow land, Icequake deals 1 damage to that land's controller.

As an additional cost to cast this spell, sacrifice a creature.

All creatures get -X/-X until end of turn, where X is the sacrificed creature's power.

At the beginning of your end step, if an artifact or creature was put into a graveyard from the battlefield this turn, put a +1/+1 counter on Ichor Shade.

Haste

At the beginning of the end step, sacrifice Ichorid.

At the beginning of your upkeep, if Ichorid is in your graveyard, you may exile a black creature card other than Ichorid from your graveyard. If you do, return Ichorid to the battlefield.

Flash

When Idol of the Deep King enters the battlefield, it deals 2 damage to any target.

Craft with artifact (, Exile this artifact, Exile another artifact you control or an artifact card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

: Igneous Cur gets +2/+0 until end of turn.

Igneous Inspiration deals 3 damage to any target.

Learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.)

Ignite Disorder deals 3 damage divided as you choose among one, two, or three target white and/or blue creatures.

Exile the top three cards of your library. Until the end of your next turn, you may play those cards. If this spell was cast from a graveyard, you may play cards this way without paying their mana costs.

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

Exile all cards from your hand face down. At the beginning of the next end step, return those cards to your hand, then draw a card.