Target player discards a card, then mills a card.

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

When Hostage Taker enters the battlefield, exile another target creature or artifact until Hostage Taker leaves the battlefield. You may cast that card for as long as it remains exiled, and mana of any type can be spent to cast that spell.

: Add .

, , Sacrifice a creature: Put a soul counter on Hostile Hostel. Then if there are three or more soul counters on it, remove those counters, transform it, then untap it. Activate only as a sorcery.

Haste (This creature can attack and as soon as it comes under your control.)

Enchant land

Enchanted land has ": Target creature can't block this turn."

Haste

If a spell you control would deal damage to an opponent, prevent that damage. Create a 3/1 red Elemental Shaman creature token with haste for each 1 damage prevented this way.

When Hostility is put into a graveyard from anywhere, shuffle it into its owner's library.

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.

Enchant land you control

Enchanted land has ": Prevent the next 1 damage that would be dealt to any target this turn."

Haste

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

Hotshot Mechanic crews Vehicles as though its power were 2 greater.

Trample

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

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Exile X target creature cards from your graveyard. For each card exiled this way, create a token that's a copy of that card, except it's a 4/4 black Zombie.

: Add . Put a time counter on Hourglass of the Lost.

, Remove X time counters from Hourglass of the Lost and exile it: Return each nonland permanent card with mana value X from your graveyard to the battlefield. Activate only as a sorcery.

Whenever you cast a spell, you may have target player mill X cards, where X is the number of words in that spell's name.

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.

Create a 2/2 green Wolf creature token for each Forest you control.

Reach (This creature can block creatures with flying.)

When Howling Giant enters the battlefield, create two 2/2 green Wolf creature tokens.

Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Howltooth Hollow enters the battlefield tapped.

: Add .

, : You may play the exiled card without paying its mana cost if each player has no cards in hand.

+2: Put two +1/+1 counters on up to one target Dinosaur you control.

−3: Target Dinosaur you control deals damage equal to its power to target creature you don't control.

−7: Dinosaurs you control get +4/+4 until end of turn.

+1: Put a loyalty counter on Huatli, Radiant Champion for each creature you control.

−1: Target creature gets +X/+X until end of turn, where X is the number of creatures you control.

−8: You get an emblem with "Whenever a creature enters the battlefield under your control, you may draw a card."

+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.

Vigilance

When Huatli's Raptor enters the battlefield, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Target creature gets +2/+0 until end of turn. If you control a Huatli planeswalker, that creature gets +4/+0 until end of turn instead.

Ward

At the beginning of your precombat main phase, add .

Destroy target Human creature.

: Add one mana of any color. Spend this mana only to cast a creature spell.

Constellation — Whenever Humbler of Mortals or another enchantment enters the battlefield under your control, creatures you control gain trample until end of turn.

All creatures lose all abilities and have base power and toughness 1/1.

Target creature gets +1/+0 and gains first strike until end of turn.

Splice onto Arcane—Tap an untapped white creature you control. (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.)

Target creature gets +1/+0 until end of turn for each artifact you control.

At the beginning of your upkeep, sacrifice Hungry Mist unless you pay .

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.)

Put a +1/+1 counter on target creature you control. Then that creature fights target creature you don't control. (Each deals damage equal to its power to the other.)

Choose up to four target creatures you don't control. For each of them, that creature's controller faces a villainous choice — That creature becomes a 1/1 white Human creature and loses all abilities, or you create a token that's a copy of it.

Hunted Ghoul can't block Humans.

Flying

When Hunted Lammasu enters the battlefield, target opponent creates a 4/4 black Horror creature token.

Hunted Phantasm can't be blocked.

When Hunted Phantasm enters the battlefield, target opponent creates five 1/1 red Goblin creature tokens.

When Hunted Witness dies, create a 1/1 white Soldier creature token with lifelink.

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.

Prevent all combat damage that would be dealt by nongreen creatures this turn.

When Hunter's Bow enters the battlefield, attach it to target creature you control. That creature deals damage equal to its power to up to one target creature you don't control.

Equipped creature has reach and ward .

Equip

Any number of target players each gain 6 life.

This spell costs less to cast if it targets a blue permanent you don't control.

This spell can't be countered.

Target creature you control gets +1/+1 until end of turn. Then it deals damage equal to its power to target creature or planeswalker you don't control.

Whenever Hunting Cheetah deals damage to an opponent, you may search your library for a Forest card, reveal that card, put it into your hand, then shuffle.

Threshold — As long as seven or more cards are in your graveyard, Hunting Grounds has "Whenever an opponent casts a spell, you may put a creature card from your hand onto the battlefield."

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When Hunting Moa enters the battlefield or dies, put a +1/+1 counter on target creature.

Create three 1/1 green Elf Warrior creature tokens.

Reinforce 3— (, Discard this card: Put three +1/+1 counters on target creature.)

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

Search your library for up to two Forest cards, put them onto the battlefield tapped, then shuffle.

If this spell was kicked, untap all Forests put onto the battlefield this way. They become 3/3 green creatures with haste that are still lands.

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.