Homura, Human Ascendant can't block.

When Homura dies, return it to the battlefield flipped.

At the beginning of your upkeep, you gain 2 life for each Shrine you control.

When Honorable Scout enters, you gain 2 life for each black and/or red creature target opponent controls.

Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)

As long as Honored Hierarch is renowned, it has vigilance and ": Add one mana of any color."

Devoid (This card has no color.)

Flash

When you cast this spell, counter target spell an opponent controls unless they pay .

Flying

Flash

Flying, trample

Whenever you draw a card, you gain 1 life.

Equipped creature gets +1/+1 for each creature you control.

Equip

Whenever Horned Cheetah deals damage, you gain that much life.

, : Create a 1/1 colorless Insect artifact creature token with flying and haste named Hornet. Destroy it at the beginning of the next end step.

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 attack, put a +1/+1 counter on target attacking creature.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

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.)

Destroy all nontoken creatures.

Create a 2/2 green Wolf creature token for each Forest you control.

Each other creature you control that's a Werewolf or a Wolf gets +1/+1.

At the beginning of your end step, create a 2/2 green Wolf creature token.

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

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

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

Each creature you control that's a Wolf or a Werewolf gets +1/+1 and has trample.

: Put target creature card from your graveyard on top of your library. Activate only during your turn, before attackers are declared.

Hulking Cyclops can't block.

Flash

If an opponent would draw a card except the first one they draw in each of their draw steps, instead you create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

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

Morbid — Put three +1/+1 counters on that creature instead if a creature died this turn.

Whenever Hunting Cheetah deals damage to an opponent, you may search your library for a Forest card, reveal that card, put it into your hand, then shuffle.

First strike

Dinosaur spells you cast have prowl . (You may cast a spell for its prowl cost if you dealt combat damage to a player this turn with a creature with any of its creature types.)

, Sacrifice another creature: Hurler Cyclops deals 1 damage to any target.

Hurricane deals X damage to each creature with flying and each player.

Flash

When Hydroelectric Specimen enters, you may change the target of target instant or sorcery spell with a single target to Hydroelectric Specimen.

Whenever you tap an untapped creature an opponent controls, you may pay . When you do, choose one —

• Create a 4/4 white and blue Elemental creature token.

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

• Scry 2, then draw a card.

Target player discards two cards at random.

Flying, haste

You may cast sorcery spells as though they had flash. (You may cast them any time you could cast an instant.)

: Hypnotic Grifter connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

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.)

Flying

You control enchanted creature.

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

Flying

, Discard a card: Prevent the next 3 damage that would be dealt to any target this turn.

, Sacrifice Hypochondria: Prevent the next 3 damage that would be dealt to any target this turn.

Creatures your opponents control get -4/-0 until end of turn.

Science Teacher — Each Saga spell you cast has replicate. The replicate cost is equal to its mana cost. (When you cast that Saga, copy it for each time you paid its replicate cost. Copies of Saga spells become tokens.)

Doctor's companion (You can have two commanders if the other is the Doctor.)

Whenever Ian the Reckless attacks, if it's modified, you may have it deal damage equal to its power to you and any target. (Equipment, Auras you control, and counters are modifications.)

, , Discard a card: Create two 1/1 white Citizen creature tokens.

Icatian Javelineers enters with a javelin counter on it.

, Remove a javelin counter from Icatian Javelineers: It deals 1 damage to any target.

Icatian Moneychanger enters with three credit counters on it.

When Icatian Moneychanger enters, it deals 3 damage to you.

At the beginning of your upkeep, put a credit counter on Icatian Moneychanger.

Sacrifice Icatian Moneychanger: You gain 1 life for each credit counter on Icatian Moneychanger. Activate only during your upkeep.

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

First strike; banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Whenever Icatian Skirmishers attacks, all creatures banded with it gain first strike until end of turn.

Create four 1/1 white Citizen creature tokens.

Enchant creature

Enchanted creature can't attack or block, and its activated abilities can't be activated.

When enchanted creature becomes the target of a spell or ability, destroy Ice Cage.

Whenever a player casts a spell, any other player may pay that spell's mana cost. If a player does, counter the spell. <I>(Mana cost includes color.)</I>

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

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

Counter target spell.

Destroy target land.

Iceberg enters with X ice counters on it.

: Put an ice counter on Iceberg.

Remove an ice counter from Iceberg: Add .

Whenever Iceberg Titan attacks, you may tap or untap target artifact or creature.

This spell costs less to cast for each snow land you control.

When Icebreaker Kraken enters, artifacts and creatures target opponent controls don't untap during that player's next untap step.

Return three snow lands you control to their owner's hand: Return Icebreaker Kraken to its owner's hand.

Flying

When Icefall Regent enters, tap target creature an opponent controls. That creature doesn't untap during its controller's untap step for as long as you control Icefall Regent.

Spells your opponents cast that target Icefall Regent cost more to cast.

Flying

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

When Icefeather Aven is turned face up, you may return another target creature to its owner's hand.