Ward—Sacrifice a permanent.
Whenever Host of the Neverending Revel enters or attacks, each player sacrifices a nonland, nontoken permanent. For each player who doesn't, you draw a card.

When Hostage Situation enters, target opponent reveals their hand. Exile a nonland card from it and up to one creature card from your graveyard. When Hostage Situation is no longer on the battlefield, return the exiled cards to their owner's hands.

Put a hexproof counter on target creature you control. At the beginning of the next end step, remove a counter from that creature.

Flying
When this creature enters, create a black Subroutine enchantment token named TICK with “Whenever this Subroutine runs, each opponent loses 1 life and you gain 1 life.”

Hundred-Handed Pillars enters tapped.
{T}: Add {W} or {U}.
{7}{W/U}: Hundred-Handed Pillars becomes a 4/6 white and blue Giant creature with vigilance until end of turn. It's still a land. This ability costs {X} less to activate, where X is your devotion to white and blue. Activate only once each turn.

Trample
When Hunger's Door enters, you may return target Aura card from your graveyard to the battlefield attached to Hunger's Door.

When Hungry Blob enters, destroy up to three target artifacts and/or enchantments with total mana value 3 or less.

Flying
When Hungry Songbird enters, create a Berry token.

{4}, {T}, Sacrifice this artifact: It deals 100 damage to target creature an opponent controls. Activate only as a sorcery.

Flying
Whenever Hyomon deals combat damage to a player, you may create a token that's a copy of target token you control that entered this turn.

Whenever this Subroutine runs, choose one —
• Create Noop, a legendary 3/3 colorless Robot artifact creature token with defender.
• Target Robot loses defender and becomes a 5/5 Avatar with vigilance in addition to its other types.
• Put a number of +1/+1 counters on target Avatar equal to its power. It gains trample.

Favored
Whenever Iara, Blessed-Hart attacks, Iara and another target attacking creature gain double strike until end of turn.

Trample
When Idealistic Voter enters, make a pledge.

{X}, {T}, Sacrifice another creature: Create a token that's a copy of target nontoken creature you control other than Identity Forger with mana value X.

Creatures you control that have been a target or the source of a spell or ability you controlled this turn have ward {2}.
Once each turn, when you spend mana to activate an ability, you may gain that much life.
{X}{U}{R}{W}: Idolized Coordinator and another target creature you control each get +X/+X and gain vigilance until end of turn.

Exile the top card of your library. You may play that card this turn.
Flashback {R}

Ignite deals damage to any target equal to your devotion to red.

Menace
Whenever Ignited Soul deals combat damage to a player, you may discard a card. If you do, draw a card.

Flash
You may cast creature spells as though they have flash.
{G}{U}: Ikurimoko's Presence becomes a 3/2 Dragon creature with flying in addition to its other types.

Amity — This spell costs {1} less to cast if you attacked with exactly two creatures this turn.
Draw two cards.

Exalted
Sacrifice this creature: Choose another target creature you control. When it's put into a graveyard this turn, return that card to the battlefield tapped under its owner's control with a finality counter on it.

Opponents can't cast more than one spell each turn.
[+1]: Create a 3/1 white Knight creature token with “As long as it's your turn, this creature has indestructible.”
[–X]: Return a permanent card with mana value X from your graveyard to the battlefield.
[–4]: If you controlled a creature as you activated this ability, you may destroy all creatures. You may do the same for artifacts and enchantments.

Choose one —
• Target creature gains hexproof until end of turn.
• Cache the top card of your library face down.

This spell costs {1} less to cast if there is a card named Avert Disaster or Imminent Disaster in your graveyard.
Exile target creature or planeswalker.

Trample
When Imperfect Fugisaur enters, you may sacrifice an artifact. If you do, it gains haste until end of turn.
Whenever Imperfect Fugisaur deals combat damage to a player, that player sacrifices an artifact. If they can't, you draw a card.