Hallowed Chamber enters tapped unless you control a basic non-Swamp land.
{T}: Add {B}.
{1}, {T}, Sacrifice Hallowed Chamber: Create two Treasure tokens.

Target creature gets +4/+4 until end of turn.

When Hans Nehmann enters, you may search your library for a card named Marie Laurent or Diago Maldovo and reveal that card. If you do, shuffle, then put the card on top of it.
Legendary Allies you control have lifelink.

{VP}{VP}{VP}, Sacrifice Hardlight Channeler: Create a tapped 4/4 green Elemental Beast creature token.

When Hardlight Hedron enters, draw two cards, then discard a card.
{U}, {T}, Sacrifice Hardlight Hedron: Scry 2.

Vigilance
When Hardlight Paragon enters, distribute two +1/+1 counters among one or two target creatures.

Flying, vigilance
Whenever you amp it up, scry 2.

At the beginning of your upkeep, you may exile target multicolored card from your graveyard. You may cast a copy of it this turn.

At the beginning of your end step, if you control two or more other enchantments, create a 1/1 white Human creature token.

Target creature you control deals damage equal to its power to target creature. If this spell's flashback cost was paid, it deals that much damage to target player instead.
Flashback {4}{R}

Vigilance
When Hart of Harnelle Wood dies, you may put two +1/+1 counters on target creature you control.

When Harvesting Blade enters, target opponent exiles two cards from their hand.
Equipped creature gets +2/+1 and has “When this creature dies, you may cast a card exiled with Harvesting Blade with equal or lesser mana value without paying its mana cost.”
Equip {3}

Flying
Haubay's Familiar can block only creatures with flying.
Whenever you draw your second card each turn, put a +1/+1 counter on Haubay's Familiar.

Vigilance
{T}: Add {C}.
{1}, {T}: Add one mana of any color.
Spellcharge 2

Choose up to one for each color among blue, black, and red among permanents you control.
• Create two 2/2 colorless Minion creature tokens with decayed.
• You may sacrifice a creature. If you do, draw two cards.
• Until end of turn, creatures lose all abilities.

Flash
When Hazakh Ambassador enters, target creature gains deathtouch until end of turn.
Basic landcycling {1}{B}

Menace
When Hazakh Commandos enters, if you control a black permanent, create a 2/2 colorless Minion creature token with decayed.

Whenever Hazakh Conscriptor deals combat damage to a player, create a 2/2 colorless Minion creature token with decayed.

Hazakh District enters tapped unless you control an Island, a Swamp, and a Mountain.
{T}: Add {U}, {B}, or {R}.

Flash
When Hazard Blade enters, destroy target creature an opponent controls that was dealt damage this turn.
Equipped creature get +4/+0.
Equip {5}

Heart of the Glade enters tapped unless you control a basic Plains or a basic Forest.

As an additional cost to cast creature spells, you may pay {X}, where X is Heartbonder's power. When you do, put a +1/+1 counter on Heartbonder.

When Hearty Roughrider enters or leaves the battlefield, you gain life equal to the greatest toughness among creatures you control.
Wander {4}{G}{G}

At the beginning of combat on your turn, if you have at least 3 life more than your starting life total, untap target land.

Lifelink
{5}{W}: Creatures you control get +1/+1 until end of turn.