Exile target nonlegendary creature, then return it to the battlefield under its owner's control. If it entered under your control, put a +1/+1 counter on it. Otherwise, tap it.

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

Flying

When Halo Forager enters the battlefield, you may pay . When you do, you may cast target instant or sorcery card with mana value X from a graveyard without paying its mana cost. If that spell would be put into a graveyard, exile it instead.

When Halo-Charged Skaab enters the battlefield, each player mills two cards. Then you may put an instant, sorcery, or battle card from your graveyard on top of your library. (To mill two cards, a player puts the top two cards of their library into their graveyard.)

, Sacrifice Hana Kami: Return target Arcane card from your graveyard to your hand.

When Happily Ever After enters the battlefield, each player gains 5 life and draws a card.

At the beginning of your upkeep, if there are five colors among permanents you control, there are six or more card types among permanents you control and/or cards in your graveyard, and your life total is greater than or equal to your starting life total, you win the game.

Protection from non-Spirit creatures

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

Exchange your hand and graveyard.

Exile Harness Infinity.

Vigilance

Whenever Harnessed Snubhorn deals combat damage to a player, return target artifact or enchantment card from your graveyard to the battlefield.

When Harvest Wurm enters the battlefield, sacrifice it unless you return a basic land card from your graveyard to your hand.

When Hatching Plans is put into a graveyard from the battlefield, draw three cards.

When Haunt of the Dead Marshes enters the battlefield, scry 1.

: Return Haunt of the Dead Marshes from your graveyard to the battlefield tapped. Activate only if you control a legendary creature.

When Haunted Dead enters the battlefield, create a 1/1 white Spirit creature token with flying.

, Discard two cards: Return Haunted Dead from your graveyard to the battlefield tapped.

Visit — Return target creature card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of your next end step.

Lights — 3, 6

Flying

As Haunting Apparition enters the battlefield, choose an opponent.

Haunting Apparition's power is equal to 1 plus the number of green creature cards in the chosen player's graveyard.

As an additional cost to cast this spell, exile X creature cards from your graveyard.

Haunting Misery deals X damage to target player or planeswalker.

: Add .

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

, , Sacrifice Haven of the Spirit Dragon: Return target Dragon creature card or Ugin planeswalker card from your graveyard to your hand.

, , Exile a creature card from your graveyard: Create a 2/2 black Zombie creature token, then put a +1/+1 counter on each Zombie creature you control.

Desertwalk (This creature can't be blocked as long as defending player controls a Desert.)

You may play Desert lands from your graveyard.

Whenever a Desert enters the battlefield under your control, create two 1/1 red, green, and white Sand Warrior creature tokens.

As an additional cost to cast this spell, exile a creature card from your graveyard.

Headless Skaab enters the battlefield tapped.

Demonstrate (When you cast this spell, you may copy it. If you do, choose an opponent to also copy it. Players may choose new targets for their copies.)

Return target card from your graveyard to your hand. You gain life equal to that card's mana value. Exile Healing Technique.

If Heart of Yavimaya would enter the battlefield, sacrifice a Forest instead. If you do, put Heart of Yavimaya onto the battlefield. If you don't, put it into its owner's graveyard.

: Add .

: Target creature gets +1/+1 until end of turn.

When Heart-Piercer Manticore enters the battlefield, you may sacrifice another creature. When you do, Heart-Piercer Manticore deals damage equal to that creature's power to any target.

Embalm (, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Manticore with no mana cost. Embalm only as a sorcery.)

Menace

At the beginning of your upkeep, tap Heavyweight Demolisher unless you pay .

Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

You may choose not to untap Hedge Whisperer during your untap step.

, , Collect evidence 4: Target land you control becomes a 5/5 green Plant Boar creature with haste for as long as Hedge Whisperer remains tapped. It's still a land. Activate only as a sorcery. (To collect evidence 4, exile cards with total mana value 4 or greater from your graveyard.)

Hexproof

At the beginning of your upkeep, you may reveal your hand. If you do, you win the game if you own a card named Hedron Alignment in exile, in your hand, in your graveyard, and on the battlefield.

: Scry 1.

Haste

Sarcophagus — You may cast Helbrute from your graveyard by exiling another creature card from your graveyard in addition to paying its other costs.

Discard a card: Hell Mongrel gets +1/+1 until end of turn.

Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Flying, haste

At the beginning of the end step, sacrifice Hell's Thunder.

Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

, : Target opponent mills a card, then repeats this process until a creature card or X cards have been put into their graveyard this way, whichever comes first. If one or more creature cards were put into that graveyard this way, sacrifice Helm of Obedience and put one of them onto the battlefield under your control. X can't be 0.

, : Exile target creature you control.

, : Exile target creature you don't control.

When Helvault is put into a graveyard from the battlefield, return all cards exiled with it to the battlefield under their owners' control.

, : Reveal cards from the top of your library until you reveal a basic land card. Put that card into your hand and all other cards revealed this way into your graveyard.

Flying

, Exile Heron-Blessed Geist from your graveyard: Create two 1/1 white Spirit creature tokens with flying. Activate only if you control an enchantment and only as a sorcery.

Menace (This creature can't be blocked except by two or more creatures.)

When this creature transforms into Hideous Fleshwheeler, put target permanent card with mana value 2 or less from a graveyard onto the battlefield under your control.

Counter target spell. If that spell is countered this way, put that card on the top or bottom of its owner's library instead of into that player's graveyard.

Reach, deathtouch

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

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

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.

Put a +1/+1 counter on target creature you control. It gains vigilance until end of turn.

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

Exile all creature cards from all graveyards. You gain 1 life for each card exiled this way.

Trample

Embalm (, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Snake Hydra with no mana cost. Embalm only as a sorcery.)

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

Trample

When Hopeless Nightmare enters the battlefield, 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.

, , Sacrifice Horizon Spellbomb: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

When Horizon Spellbomb is put into a graveyard from the battlefield, you may pay . If you do, draw a card.

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.)

: Add .

, Exile a land card from your graveyard: Hostile Desert becomes a 3/4 Elemental creature until end of turn. It's still a land.

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.

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.

, : Target creature doesn't untap during its controller's next untap step.

, : Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Howling Gale deals 1 damage to each creature with flying and each player.

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

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.)