Flying

Whenever Herald of Faith attacks, you gain 2 life.

Flying

Cumulative upkeep—Gain control of a land you don't control. (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.)

Herald of Leshrac gets +1/+1 for each land you control but don't own.

When Herald of Leshrac leaves the battlefield, each player gains control of each land they own that you control.

Flying, vigilance

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 Herald of the Fair enters the battlefield, target creature you control gets +1/+1 until end of turn.

Flying, vigilance

Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token that's a copy of this creature that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

Flying

: Put a +1/+1 counter on another target creature with flying.

Flying

Whenever Herald of War attacks, put a +1/+1 counter on it.

Angel spells and Human spells you cast cost less to cast for each +1/+1 counter on Herald of War.

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)

Whenever Hero of Bladehold attacks, create two 1/1 white Soldier creature tokens that are tapped and attacking.

Aura spells you cast cost less to cast.

Heroic — Whenever you cast a spell that targets Hero of Iroas, put a +1/+1 counter on Hero of Iroas.

Haste

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)

Whenever Hero of Oxid Ridge attacks, creatures with power 1 or less can't block this turn.

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

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

When Heroes of the Revel enters the battlefield, 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.

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.

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

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.

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

At the beginning of your upkeep, target opponent discards a card for each Shrine you control.

White creatures you control get +1/+1.

Whenever you draw a card, you may put a hoofprint counter on Hoofprints of the Stag.

, Remove four hoofprint counters from Hoofprints of the Stag: Create a 4/4 white Elemental creature token with flying. Activate this ability only during your turn.

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

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

, : Prevent all combat damage that would be dealt by target creature this turn.

Whenever a player casts a spell, they may pay . If the player does, they draw a card at the beginning of the next end step.

Sacrifice a Swamp: Regenerate target black creature. (The next time that creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)

: Horror of the Dim gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Delirium — Hound of the Farbogs has menace as long as there are four or more card types among cards in your graveyard. (A creature with menace can't be blocked except by two or more creatures.)

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.

Strive — This spell costs more to cast for each target beyond the first.

Exile any number of target creatures. For each creature exiled this way, its controller creates a 4/4 blue Sphinx creature token with flying.

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.

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.

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

Constellation — Whenever Humbler of Mortals or another enchantment enters the battlefield under your control, creatures you control gain trample until end of turn.

Target creature gets +1/+0 until end of turn for each artifact you control.

Whenever this creature enters the battlefield or transforms into Huntmaster of the Fells, create a 2/2 green Wolf creature token and you gain 2 life.

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

Put target creature card from a graveyard onto the battlefield under your control.

When Idol of Endurance enters the battlefield, exile all creature cards with converted mana cost 3 or less from your graveyard until Idol of Endurance leaves the battlefield.

, : Until end of turn, you may cast a creature spell from among the cards exiled with Idol of Endurance without paying its mana cost.

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Flying, trample

Whenever this creature mutates, exile cards from the top of your library until you exile a nonland permanent card. Put that card onto the battlefield or into your hand.

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.)

When Illusions of Grandeur enters the battlefield, you gain 20 life.

When Illusions of Grandeur leaves the battlefield, you lose 20 life.

, Sacrifice Implement of Examination: Draw a card.

When Implement of Examination is put into a graveyard from the battlefield, draw a card.

, Sacrifice Implement of Improvement: You gain 2 life.

When Implement of Improvement is put into a graveyard from the battlefield, draw a card.

, , Sacrifice Implements of Sacrifice: Add two mana of any one color.

Whenever a player casts an instant spell, counter it unless that player pays , where X is its converted mana cost.

Choose an opponent. You and that player each sacrifice a creature. Each player who sacrificed a creature this way draws two cards.

Choose an opponent. Return a creature card from your graveyard to the battlefield, then that player returns a creature card from their graveyard to the battlefield.

Flying, first strike, trample

Once each turn, while you're searching your library, you may pay , reveal Infernal Spawn of Infernal Spawn of Evil from your library and say "I'm coming, too" If you do, Infernal Spawn of Infernal Spawn of Evil deals 2 damage to a player of your choice.

: Add . If this ability has been activated four or more times this turn, sacrifice Initiates of the Ebon Hand at the beginning of the next end step.

Target player reveals their hand. You choose a nonland card from it with converted mana cost 3 or less. That player discards that card.

Destroy target land. Into the Maw of Hell deals 13 damage to target creature.

Enchant creature

Enchanted creature has "Whenever this creature attacks, create a 4/4 white Angel creature token with flying that's tapped and attacking. Exile that token at end of combat."

Ire of Kaminari deals damage to any target equal to the number of Arcane cards in your graveyard.

Ironhoof Ox can't be blocked by more than one creature.