You may exert Hooded Brawler as it attacks. When you do, it gets +2/+2 until end of turn. (An exerted creature won't untap during your next untap step.)

Return target artifact, enchantment, or land to its owner's hand.

Molting Exoskeleton — When Hook Horror dies, it perpetually gets -1/-1. Then if that card's toughness is 1 or greater, return it to the battlefield under its owner's control.

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

Delve (Each card you exile from your graveyard while casting this spell pays for .)

Trample

Bestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Enchanted creature gets +1/+1 and has lifelink.

When Hopeless Nightmare enters, each opponent discards a card and loses 2 life.

When Hopeless Nightmare is put into a graveyard from the battlefield, scry 2.

: Sacrifice Hopeless Nightmare.

Boast — : Search your library for a basic land card, reveal it, put it into your hand, then shuffle. (Activate only if this creature attacked this turn and only once each turn.)

Create a 4/4 green Rhino creature token with trample, then populate. (Create a token that's a copy of a creature token you control.)

When Horned Kavu enters, return a red or green creature you control to its owner's hand.

: Regenerate Horned Troll.

Flying, haste

When Hornet Harasser dies, target creature gets -2/-2 until end of turn.

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.)

Target creature you control deals damage equal to its power to target creature or planeswalker you don't control. If you control an Eldrazi, you gain 3 life.

Whenever you cycle or discard another card, Horror of the Broken Lands gets +2/+1 until end of turn.

Cycling (, Discard this card: Draw a card.)

: Untap Horseshoe Crab.

Enchant land

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

Haste

Hotheaded Giant enters 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.)

Return CARDNAME to its owner's hand.

Flash

Enchant creature

When Howl of the Hunt enters, if enchanted creature is a Wolf or Werewolf, untap that creature.

Enchanted creature gets +2/+2 and has vigilance.

Whenever Howling Golem attacks or blocks, each player draws a card.

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Howlpack of Estwald.

Target creature you control gets +1/+0 until end of turn. It deals damage equal to its power to target creature an opponent controls.

Return target creature and all Auras attached to it to their owners' hands.

Hulking Ogre can't block.

Until end of turn, target creature loses all abilities and has base power and toughness 0/1.

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

Flying

Whenever you attack with two or more creatures,

Augment (, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Flying

Soulshift 4 (When this creature dies, you may return target Spirit card with mana value 4 or less from your graveyard to your hand.)

Cycling (, Discard this card: Draw a card.)

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 .

Trample

Whenever Hungry Spriggan attacks, it gets +3/+3 until end of turn.

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.)

Hunted Ghoul can't block Humans.

All Sliver creatures have provoke. (Whenever a Sliver attacks, its controller may have target creature defending player controls untap and block it if able.)

Equipped creature gets +1/+1.

Equipped creature has deathtouch during your turn. Otherwise, it has reach.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Any number of target players each gain 6 life.

Flying

When Hunting Drake enters, put target red or green creature on top of its owner's library.

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

: Target creature can't be regenerated this turn.

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

Vigilance

Choose one —

• Counter target spell if it's red.

• Destroy target permanent if it's red.

, Sacrifice Hydromorph Guardian: Counter target spell that targets a creature you control.

Target player discards two cards at random.

Target creature perpetually gets -2/-0.

Target creature gets -2/-0 until end of turn.