When Herbology Instructor enters, you gain 3 life.

: Transform Herbology Instructor. Activate only as a sorcery. ( can be paid with either or 2 life.)

: Choose any target, then mill three cards. Heretic's Punishment deals damage to that permanent or player equal to the highest mana value among the milled cards.

Enchant creature

Enchanted creature has ": This creature deals 1 damage to any target."

Vigilance

: Hermitic Nautilus gets +3/-3 until end of turn.

When Hero of the Dunes enters, return target artifact or creature card with mana value 3 or less from your graveyard to the battlefield.

Creatures you control with mana value 3 or less get +1/+0.

Flying

Whenever you cast a spell that targets Hero of the Winds, creatures you control get +1/+0 until end of turn.

When Heroes of the Revel enters, create a 1/1 red Satyr creature token with "This creature can't block."

Whenever you cast a spell that targets Heroes of the Revel, creatures you control get +1/+0 until end of turn.

You gain 20 life.

Suspend 10— (Rather than cast this card from your hand, you may pay and exile it with ten time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

Create two 1/1 white Soldier creature tokens. Until end of turn, creatures you control get +1/+1 and gain haste. (They can attack and this turn.)

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.

Equipped creature gets +3/+2.

Whenever a legendary creature you control enters, you may attach Hero's Blade to it.

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

Destroy target creature or planeswalker.

Enchant creature

Enchanted creature gets +1/+5.

Cast this spell only if you've cast another spell this turn.

Flying

Hexavus enters with six +1/+1 counters on it.

, Remove a +1/+1 counter from Hexavus: Put a flying counter on another target creature.

, Remove a counter from another creature you control: Put a +1/+1 counter on Hexavus.

For Mirrodin (When this Equipment enters, create a 2/2 red Rebel creature token, then attach this to it.)

Equipped creature has flying.

Creatures you control that are equipped get +1/+0.

Equip

When Hexgold Slith enters, you get (two energy counters).

Whenever Hexgold Slith attacks, you may pay . If you do, it gains first strike until end of turn.

Whenever Hexgold Slith deals combat damage to a player, put a +1/+1 counter on it.

Whenever one or more creatures you control become blocked, each blocking creature gets -1/-1 until end of turn.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Whenever you pay Hibernation's End's cumulative upkeep, you may search your library for a creature card with mana value equal to the number of age counters on Hibernation's End, put it onto the battlefield, then shuffle.

Lifelink

Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

When Hidden Dragonslayer is turned face up, destroy target creature with power 4 or greater an opponent controls.

When an opponent casts an artifact spell, if Hidden Guerrillas is an enchantment, Hidden Guerrillas becomes a 5/3 Soldier creature with trample.

Hidden Necropolis enters tapped.

: Add .

, , Sacrifice Hidden Necropolis: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

When an opponent controls a creature with power 4 or greater, if Hidden Predators is an enchantment, Hidden Predators becomes a 4/4 Beast creature.

Whenever an opponent plays a land, if Hidden Stag is an enchantment, Hidden Stag becomes a 3/2 Elk Beast creature.

Whenever you play a land, if Hidden Stag is a creature, Hidden Stag becomes an enchantment.

You may tap or untap target permanent, then you may tap or untap another target permanent.

Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

Look at the top five cards of your library, cloak two of them, and put the rest on the bottom of your library in a random order. (To cloak a card, put it onto the battlefield face down as a 2/2 creature with ward . Turn it face up any time for its mana cost if it's a creature card.)

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.

Devoid (This card has no color.)

When you cast this spell, for each opponent, gain control of up to one target creature that player controls until end of turn. Untap those creatures. They gain trample, haste, and annihilator 1 until end of turn.

Trample, haste, annihilator 1 (Whenever this creature attacks, defending player sacrifices a permanent.)

Flying

When Hidetsugu and Kairi enters, draw three cards, then put two cards from your hand on top of your library in any order.

When Hidetsugu and Kairi dies, exile the top card of your library. Target opponent loses life equal to its mana value. If it's an instant or sorcery card, you may cast it without paying its mana cost.

, Sacrifice a creature: Scry 2.

, : Exile the top card of your library. You may play that card this turn. When you exile a nonland card this way, Hidetsugu, Devouring Chaos deals damage equal to the exiled card's mana value to any target.

When Hieromancer's Cage enters, exile target nonland permanent an opponent controls until Hieromancer's Cage leaves the battlefield.

Whenever High Priest of Penance is dealt damage, you may destroy target nonland permanent.

Flying

High Sentinels of Arashin gets +1/+1 for each other creature you control with a +1/+1 counter on it.

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

All targeted spells and abilities cost less and have their targets chosen randomly.

(: Add or .)

Highland Forest enters tapped.

Flash

Flying

When High-Speed Hoverbike enters, tap up to one target creature.

Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

Target creature gets +3/+3 until end of turn. You get (two energy counters).

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Higure, the Still Wind deals combat damage to a player, you may search your library for a Ninja card, reveal it, put it into your hand, then shuffle.

: Target Ninja creature can't be blocked this turn.

Target player reveals their hand. That player discards all nonland cards with the same name as another card in their hand.

Whenever you cast a Spirit or Arcane spell, you may put a ki counter on Hired Muscle.

At the beginning of the end step, if there are two or more ki counters on Hired Muscle, you may flip it.

, Discard a card: Counter target spell if it has the same mana value as the discarded card.

You may choose not to untap Hisoka's Guard during your untap step.

, : Target creature you control other than Hisoka's Guard has shroud for as long as Hisoka's Guard remains tapped. (It can't be the target of spells or abilities.)

Whenever a creature attacks you, its controller loses 1 life.

Whenever Historian of Zhalfir attacks, if you control a Teferi planeswalker, draw a card.

Enchant artifact or creature

When Historian's Wisdom enters, if enchanted permanent is a creature with the greatest power among creatures on the battlefield, draw a card.

As long as enchanted permanent is a creature, it gets +2/+1.

Reach

Create two 1/1 colorless Sliver creature tokens.

When Hivespine Wolverine enters, choose one —

• Put a +1/+1 counter on target creature you control.

• Hivespine Wolverine fights target creature token.

• Destroy target artifact or enchantment.

You may choose not to untap Hivis of the Scale during your untap step.

: Gain control of target Dragon for as long as you control Hivis and Hivis remains tapped.

: Hoar Shade gets +1/+1 until end of turn.