, Sacrifice Haazda Exonerator: Destroy target Aura.

When Haazda Officer enters, target creature you control gets +1/+1 until end of turn.

Whenever Haazda Snare Squad attacks, you may pay . If you do, tap target creature an opponent controls.

Deathtouch

Whenever another creature you control that has a hat enters or a hat sticker is put on a creature you control, each opponent loses 1 life.

Whenever Hada Freeblade or another Ally you control enters, you may put a +1/+1 counter on Hada Freeblade.

When Hag Hedge-Mage enters, if you control two or more Swamps, you may have target player discard a card.

When Hag Hedge-Mage enters, if you control two or more Forests, you may put target card from your graveyard on top of your library.

Boast — : Hagi Mob deals 1 damage to any target. (Activate only if this creature attacked this turn and only once each turn.)

Hagra Crocodile can't block.

Landfall — Whenever a land you control enters, Hagra Crocodile gets +2/+2 until end of turn.

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

Sacrifice Hajar, Loyal Bodyguard: Legendary creatures you control get +1/+0 and gain indestructible until end of turn.

Flying

: Return target Aura card from your graveyard to the battlefield attached to Hakim, Loreweaver. Activate only during your upkeep and only if Hakim isn't enchanted.

, : Destroy all Auras attached to Hakim.

Haktos the Unscarred attacks each combat if able.

As Haktos enters, choose 2, 3, or 4 at random.

Haktos has protection from each mana value other than the chosen number.

First strike, reach

At the beginning of combat on your turn, put X +1/+1 counters on another target creature you control, where X is Halana and Alena's power. That creature gains haste until end of turn.

First strike

Haldir, Lórien Lieutenant enters with X +1/+1 counters on it.

Vigilance

: Until end of turn, other Elves you control gain vigilance and get +1/+1 for each +1/+1 counter on Haldir.

Vigilance

Stunning Strike — , : Tap target creature.

Trample

At the beginning of each end step, if an opponent was dealt damage this turn,

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

Whenever a nontoken creature enters,

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

When Halimar Tidecaller enters, you may return target card with awaken from your graveyard to your hand.

Land creatures you control have flying.

Haste

, : Target creature can't block this turn.

: Prevent the next 2 damage that would be dealt to any target this turn.

Threshold — : Prevent the next 4 damage that would be dealt to any target this turn. Activate only if seven or more cards are in your graveyard.

Vigilance

When Hallowed Spiritkeeper dies, create X 1/1 white Spirit creature tokens with flying, where X is the number of creature cards in your graveyard.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

, Exile Halo Scarab from your graveyard: Create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

: Until end of turn, target token you control becomes a green Bear creature with base power and toughness 4/4 in addition to its other colors and types.

Choose a Background (You can have a Background as a second commander.)

Room abilities of dungeons you own trigger an additional time.

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.)

This spell costs less to cast if it's bargained.

Trample

When Hamlet Glutton enters, you gain 3 life.

Whenever another creature enters, you may put X +1/+1 counters on Hamletback Goliath, where X is that creature's power.

As Hammer Jammer enters, roll a six-sided die. Hammer Jammer enters with a number of +1/+1 counters on it equal to the result.

Whenever you roll a die, remove all +1/+1 counters from Hammer Jammer, then put a number of +1/+1 counters on it equal to the result.

: Hammerfist Giant deals 4 damage to each creature without flying and each player.

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 Hammerheim Deadeye enters, destroy target creature with flying.

This spell costs less to cast for each creature you control with a +1/+1 counter on it.

Creature spells you cast cost less to cast for each creature you control with a +1/+1 counter on it.

Each other creature you control that's a Zombie or Mutant gets +X/+X, where X is the number of counters on Hancock, Ghoulish Mayor.

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

You may sacrifice four Eldrazi Spawn rather than pay this spell's mana cost.

Annihilator 1 (Whenever this creature attacks, defending player sacrifices a permanent.)

Protection from black

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Delirium — Whenever Hand That Feeds attacks while there are four or more card types among cards in your graveyard, it gets +2/+0 and gains menace until end of turn. (It can't be blocked except by two or more creatures.)

Hangarback Walker enters with X +1/+1 counters on it.

When Hangarback Walker dies, create a 1/1 colorless Thopter artifact creature token with flying for each +1/+1 counter on Hangarback Walker.

, : Put a +1/+1 counter on Hangarback Walker.

As Hangman enters, secretly note a word with six to eight letters.

: Target player who doesn't control Hangman guesses the noted word or an unguessed letter in that word. If they guess wrong, put a +1/+1 counter on Hangman. Any player may activate this ability.

When a player guesses the noted word or all of its letters, sacrifice Hangman.

Whenever Hans Eriksson attacks, reveal the top card of your library. If it's a creature card, put it onto the battlefield tapped and attacking defending player or a planeswalker they control. Otherwise, put that card into your hand. When you put a creature card onto the battlefield this way, it fights Hans Eriksson.

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.)

As long as Hanweir Lancer is paired with another creature, both creatures have first strike.

Defender

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

Whenever Hapatra, Vizier of Poisons deals combat damage to a player, you may put a -1/-1 counter on target creature.

Whenever you put one or more -1/-1 counters on a creature, create a 1/1 green Snake creature token with deathtouch.

: Add X mana of any one color, where X is the number of Allies you control.

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

When Harald, King of Skemfar enters, look at the top five cards of your library. You may reveal an Elf, Warrior, or Tyvar card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

At the beginning of your upkeep, put a -1/-1 counter on each creature.

Flying

: Harbinger of the Hunt deals 1 damage to each creature without flying.

: Harbinger of the Hunt deals 1 damage to each other creature with flying.

You may cast Harbinger of the Tides as though it had flash if you pay more to cast it. (You may cast it any time you could cast an instant.)

When Harbinger of the Tides enters, you may return target tapped creature an opponent controls to its owner's hand.

Reach (This creature can block creatures with flying.)

Whenever Harbor Guardian attacks, defending player may draw a card.

: Add one mana of any color.

Whenever you commit a crime, untap Hardbristle Bandit. This ability triggers only once each turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)