Graft 3 (This creature enters with three +1/+1 counters on it. Whenever another creature enters, you may move a +1/+1 counter from this creature onto it.)

: Target creature with a +1/+1 counter on it gains flying until end of turn.

Discard a card: Hell Mongrel gets +1/+1 until end of turn.

Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Hell to Pay deals X damage to target creature. Create a number of tapped Treasure tokens equal to the amount of excess damage dealt to that creature this way.

Flying

Whenever Hellcarver Demon deals combat damage to a player, sacrifice all other permanents you control and discard your hand. Exile the top six cards of your library. You may cast any number of spells from among cards exiled this way without paying their mana costs.

Destroy all nonblack creatures. Hellfire deals X plus 3 damage to you, where X is the number of creatures that died this way.

Unleash (You may have this creature enter with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)

, Sacrifice Hellhole Flailer: Hellhole Flailer deals damage equal to its power to target player or planeswalker.

: Add .

, : Put a pressure counter on Hellion Crucible.

, , Remove two pressure counters from Hellion Crucible and sacrifice it: Create a 4/4 red Hellion creature token with haste. (It can attack and as soon as it comes under your control.)

Until end of turn, permanents your opponents control gain "When this permanent deals damage to the player who cast Hellish Rebuke, sacrifice this permanent. You lose 2 life."

Flying

When Hellkite Courser enters, you may put a commander you own from the command zone onto the battlefield. It gains haste. Return it to the command zone at the beginning of the next end step.

Flying, haste

: Hellkite Igniter gets +X/+0 until end of turn, where X is the number of artifacts you control.

Flying, trample

Whenever Hellkite Tyrant deals combat damage to a player, gain control of all artifacts that player controls.

At the beginning of your upkeep, if you control twenty or more artifacts, you win the game.

Creatures you control have haste and attack each combat if able.

, Sacrifice a creature: Return target creature card from your graveyard to the battlefield. Activate only during your upkeep.

Trample, haste

At the beginning of the end step, sacrifice Hellspark Elemental.

Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Other outlaws you control have haste. (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws.)

When Hellspur Posse Boss enters, create two 1/1 red Mercenary creature tokens with ": Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery."

, : Target creature gains banding until end of turn. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding a player controls are blocking or being blocked by a creature, that player divides that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

, : Target opponent mills a card, then repeats this process until a creature card or X cards have been put into their graveyard this way, whichever comes first. If one or more creature cards were put into that graveyard this way, sacrifice Helm of Obedience and put one of them onto the battlefield under your control. X can't be 0.

Enchant creature

As long as enchanted creature is blue, it gets +1/+1 and has "Whenever this creature deals damage to an opponent, draw a card."

As long as enchanted creature is black, it gets +1/+1 and has "Whenever this creature deals damage to an opponent, that player discards a card."

At the beginning of combat on your turn, create a token that's a copy of equipped creature, except the token isn't legendary. That token gains haste.

Equip

, : Exile target creature you control.

, : Exile target creature you don't control.

When Helvault is put into a graveyard from the battlefield, return all cards exiled with it to the battlefield under their owners' control.

Whenever a player casts a red spell, you may pay . If you do, untap target permanent.

Haste

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.)

: Henchfiend of Ukor gets +1/+0 until end of turn.

: Add .

, : Add one mana of any color.

: Add .

Flying, deathtouch, lifelink

: Each creature you control with flying, deathtouch, and/or lifelink gets +1/+0 until end of turn.

Each creature spell you cast with mana value 4 or greater has blitz. The blitz cost is equal to its mana cost. (You may choose to cast that spell for its blitz cost. If you do it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

Blitz costs you pay cost less for each time you've cast your commander from the command zone this game.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)

Flying

At the beginning of your end step, each opponent discards a card.

, Sacrifice an artifact: Target creature gets -2/-2 until end of turn.

Flying

Whenever Herald of Faith attacks, you gain 2 life.

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)

Other Knights you control have horsemanship.

Devoid (This card has no color.)

Colorless spells you cast cost less to cast.

Creatures you control with +1/+1 counters on them can't be blocked.

Locus of Slaanesh — Demon spells you cast cost less to cast.

Other Demons you control have haste.

When Herald of the Fair enters, 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 copy 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

When Herald of Vengeance enters the battlefield, destroy each permanent you don't control that has the same name as a permanent that dealt damage to you last turn.

As Heraldic Banner enters, choose a color.

Creatures you control of the chosen color get +1/+0.

: Add one mana of the chosen color.

Flying

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

When Herbology Instructor enters, you gain 3 life.

: Transform Herbology Instructor. Activate only as a sorcery. ( can be paid with either or 2 life.)

Whenever another creature you control enters, Herd Gnarr gets +2/+2 until end of turn.

Flying, trample

Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

When Herdchaser Dragon is turned face up, put a +1/+1 counter on each other Dragon creature you control.

Emerge (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)

When you cast this spell, you may exile your hand. If you do, draw three cards.

Flying

Each creature spell you cast has emerge. The emerge cost is equal to its mana cost.

Enchant creature

Enchanted creature has ": This creature deals 1 damage to any target."

Whenever an opponent casts a spell during your turn, draw a card.

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

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.

Rally — Whenever Hero of Goma Fada or another Ally you control enters, creatures you control gain indestructible 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.

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.