Vigilance

: Hermitic Nautilus gets +3/-3 until end of turn.

Heroic — Whenever you cast a spell that targets Hero of Leina Tower, you may pay . If you do, put X +1/+1 counters on Hero of Leina Tower.

Whenever you cast a multicolored spell, create a 1/1 white Human creature token.

Flying

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

Target player gains 7 life.

Enchant creature

Enchanted creature gets +3/+3 unless it shares a color with the most common color among all permanents or a color tied for most common.

Create two 1/1 white Soldier creature tokens. Until end of turn, creatures you control get +1/+1 and gain haste. (They can attack and this turn.)

Vigilance

Whenever another Human you control enters, put a +1/+1 counter on Heronblade Elite.

: Add X mana of any one color, where X is Heronblade Elite's power.

Flash

Lifelink

When Heron's Grace Champion enters, other Humans you control get +1/+1 and gain lifelink until end of turn.

Equipped creature gets +2/+1.

As long as equipped creature is legendary, it has trample and haste.

Equip

Cast this spell only if you've cast another spell this turn.

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

Enlist (As this creature attacks, you may tap a nonattacking creature you control without summoning sickness. When you do, add its power to this creature's until end of turn.)

For Mirrodin (When this Equipment enters, create a 2/2 red Rebel creature token, then attach this to it.)

Equipped creature has flying.

Creatures you control that are equipped get +1/+0.

Equip

Whenever one or more creatures you control become blocked, each blocking creature gets -1/-1 until end of turn.

All Slivers have "Pay 2 life: Return this permanent to its owner's hand."

Hickory Woodlot enters tapped with two depletion counters on it.

, Remove a depletion counter from Hickory Woodlot: Add . If there are no depletion counters on Hickory Woodlot, sacrifice it.

Flash

When Hidden Blade enters, attach it to target creature you control. If that creature is an Assassin, it gains deathtouch until end of turn.

Equipped creature gets +1/+0 and has first strike.

Equip

Hidden Courtyard enters tapped.

: Add .

, , Sacrifice Hidden Courtyard: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Flash

When Hidden Footblade enters, attach it to target creature you control. That creature gains first strike until end of turn.

Equipped creature gets +1/+0 and has haste.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

When Hidden Grotto enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

: Add .

, : Add one mana of any color.

Revolt — When Hidden Herbalists enters, if a permanent you controlled left the battlefield this turn, add .

When Hidden Horror enters, sacrifice it unless you discard a creature card.

Hidden Nursery enters tapped.

: Add .

, , Sacrifice Hidden Nursery: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

When an opponent controls a creature with power 4 or greater, if Hidden Predators is an enchantment, Hidden Predators becomes a 4/4 Beast creature.

When an opponent casts a creature spell with flying, if Hidden Spider is an enchantment, Hidden Spider becomes a 3/5 Spider creature with reach. (It can block creatures with flying.)

Revolt — At the beginning of your end step, if a permanent you controlled left the battlefield this turn, create a 1/1 colorless Servo artifact creature token.

, Sacrifice a creature: Scry 1.

Hidden Volcano enters tapped.

: Add .

, , Sacrifice Hidden Volcano: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Look at the top five cards of your library, cloak two of them, and put the rest on the bottom of your library in a random order. (To cloak a card, put it onto the battlefield face down as a 2/2 creature with ward . Turn it face up any time for its mana cost if it's a creature card.)

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

When this creature transforms into Hideous Fleshwheeler, put target permanent card with mana value 2 or less from a graveyard onto the battlefield under your control.

Devoid (This card has no color.)

When you cast this spell, for each opponent, gain control of up to one target creature that player controls until end of turn. Untap those creatures. They gain trample, haste, and annihilator 1 until end of turn.

Trample, haste, annihilator 1 (Whenever this creature attacks, defending player sacrifices a permanent of their choice.)

Flying

When Hidetsugu and Kairi enters, draw three cards, then put two cards from your hand on top of your library in any order.

When Hidetsugu and Kairi dies, exile the top card of your library. Target opponent loses life equal to its mana value. If it's an instant or sorcery card, you may cast it without paying its mana cost.

, Sacrifice a creature: Scry 2.

, : Exile the top card of your library. You may play that card this turn. When you exile a nonland card this way, Hidetsugu, Devouring Chaos deals damage equal to the exiled card's mana value to any target.

Draw two cards.

Cycling (, Discard this card: Draw a card.)

Frenzied Metabolism — As an additional cost to cast this spell, you may remove any number of +1/+1 counters from among creatures you control. This spell costs less to cast for each counter removed this way.

Vigilance, reach, ward

Titanic — Hierophant Bio-Titan can't be blocked by creatures with power 2 or less.

Each creature you control assigns combat damage equal to its toughness rather than its power.

Creatures you control can attack as though they didn't have defender.

: Untap target creature.

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

Flying

You may cast spells as though they had flash.

: Add .

, Sacrifice a creature: You gain 1 life.

Whenever High Priest of Penance is dealt damage, you may destroy target nonland permanent.

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.

Until end of turn, whenever a player taps an Island for mana, that player adds an additional .

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Vigilance

When Highcliff Felidar enters, for each opponent, choose a creature with the greatest power among creatures that player controls. Destroy those creatures.

(: Add or .)

Highland Forest enters tapped.

Highland Weald enters tapped.

: Add or .

Flying

Whenever this creature attacks, you may sacrifice another creature. If you do, put a +1/+1 counter on this creature.

Whenever another nontoken creature dies, draw a card.

Reach (This creature can block creatures with flying.)

Fabricate 1 (When this creature enters, put a +1/+1 counter on it or create a 1/1 colorless Servo artifact creature token.)

Flying, trample

When Highway Robber enters, target opponent loses 2 life and you gain 2 life.

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Higure, the Still Wind deals combat damage to a player, you may search your library for a Ninja card, reveal it, put it into your hand, then shuffle.

: Target Ninja creature can't be blocked this turn.