mtg.wtf

Haste
Holga, Relentless Rager must be blocked if able.
Whenever Holga attacks, each creature you control attacking a player gets +1/+0 until end of turn for each creature that player controls.

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

At the beginning of your end step, if Homicidal Brute didn't attack this turn, tap Homicidal Brute, then transform it.

Homing Lightning deals 4 damage to target creature and each other creature with the same name as that creature.

Each Sliver card in each player's hand has slivercycling {3}.
Slivercycling {3}

Creatures you control get +2/+2 and have flying and "{R}: This creature gets +1/+0 until end of turn."

Homura, Human Ascendant can't block.
When Homura dies, return it to the battlefield flipped.

At the beginning of your upkeep, Honden of Infinite Rage deals damage to any target equal to the number of Shrines you control.

Trample
Tap two untapped creatures you control: Honeymoon Hearse becomes an artifact creature until end of turn.

As an additional cost to cast this spell, discard a card.
Draw two cards. Amass Zombies 1.

{B}: Hooded Kavu gains fear until end of turn.

Whenever Horde Ambusher blocks, it deals 1 damage to you.
Morph—Reveal a red card in your hand.
When Horde Ambusher is turned face up, target creature can't block this turn.

Menace
Horde of Boggarts's power and toughness are each equal to the number of red permanents you control.

Create three 1/1 red Goblin creature tokens.

Menace
When Horned Stoneseeker enters the battlefield, create a tapped Powerstone token.
When Horned Stoneseeker leaves the battlefield, sacrifice a Powerstone.

Haste

Enchant land
Enchanted land has "{T}: 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.

Haste
{T}: Another target creature gains 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.

Double strike
Undying

All creatures lose indestructible until end of turn. Hour of Devastation deals 5 damage to each creature and each non-Bolas planeswalker.

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

Whenever a permanent you control is dealt damage, Howlpack Avenger deals that much damage to any target.
{1}{R}: Howlpack Avenger gets +2/+0 until end of turn.
Nightbound