When Heavy Winds enters and whenever you cast a spell, prevent all damage up to one target permanent would deal this turn.

As an additional cost to cast this spell, sacrifice a creature or pay {4}.
Heedless Cruelty deals 5 damage to target creature or planeswalker.

Ward {2}
Whenever this creature attacks, destroy up to one target nonland permanent.

Hell's Boon deals 3 damage to up to one target creature or planeswalker.
Damned — If you've sacrificed a permanent this turn, Hell's Boon deals 2 damage to each opponent.

{2}, Sacrifice Helm of the Shattered Realm: Destroy target artifact or enchantment. Activate only as a sorcery.
Equipped creature gets +1/+1 and has ward {2}.
Equip {1}

Favored

Level up {2}{W}
[level 1-2] Whenever you attack, target creature gets +2/+0 until end of turn.
[level 3+] Whenever you attack, target creature gets +5/+0 until end of turn.

High Teqien enters tapped unless you control a basic non-Island land.
{T}: Add {U}.
{2}{U}, {T}, Sacrifice High Teqien: Gain control of target land. Its owner may search their library for a basic land card, put it onto the battlefield, then shuffle.

This spell costs {2} less to cast as long as you've cast another instant or sorcery spell this turn.
High Voltage deals 3 damage to any target.

You may pay {R} rather than pay this spell's mana cost. Spend only mana produced by artifact sources to cast it this way.
Hired Shot deals 3 damage to any target.

Hivecaste Vukoroq gets +1/+2 as long as you control another creature named Hivecaste Vukoroq.

When Hoenn Champion enters, create a creature token for each of the following characteristics.
• 3/3 white and black Bird with flying, vigilance, and haste.
• 2/4 red Bird Warrior with double strike, vigilance, and haste.
No more than two creatures can attack each combat. No more than two creatures can block each combat.

Holo-Map enters with two charge counters on it.
{1}, {T}, Remove a charge counter from Holo-Map: Target creature can't be blocked this turn. Scry 2.

Choose up to one target creature you control. You may discard a card. If you do, whenever that creature deals combat damage to a player this turn, draw a card.
Draw a card.

This land enters tapped.
{2}{G}{W}, {T}: Surveil 1.

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

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.

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

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.

Trample
When Idealistic Voter enters, make a pledge.

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.

Enchant land
Enchanted land is a 4/4 Dryad creature with reach, vigilance, and haste. It's still a land.
When enchanted land dies, return it to its owner's hand.