As long as there are four or more creature cards in your graveyard, Gray Slaad has menace and deathtouch.

Landfall — Whenever a land enters the battlefield under your control, you may gain 2 life.

Flash

As Grifter's Blade enters the battlefield, choose a creature you control it could be attached to. If you do, it enters the battlefield attached to that creature.

Equipped creature gets +1/+1.

Equip

, , Exile two cards from your graveyard: Grim Lavamancer deals 2 damage to any target.

Devoid (This card has no color.)

Exile target creature and target land.

When Grixis Slavedriver leaves the battlefield, create a 2/2 black Zombie creature token.

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.)

Until end of turn, colorless creatures you control gain ": This creature deals damage equal to its power to target creature."

Guerrilla Tactics deals 2 damage to any target.

When a spell or ability an opponent controls causes you to discard Guerrilla Tactics, Guerrilla Tactics deals 4 damage to any target.

Whenever Haazda Vigilante enters the battlefield or attacks, put a +1/+1 counter on target creature you control with power 2 or less.

Haste

Halam Djinn gets -2/-2 as long as red is the most common color among all permanents or is tied for most common.

Reach

Whenever another creature enters the battlefield under your control, you may pay . When you do, that creature deals damage equal to its power to target creature.

Partner (You can have two commanders if both have partner.)

Trample

Whenever you cast a spell, if that spell was kicked, put a +1/+1 counter on Hallar, the Firefletcher, then Hallar deals damage equal to the number of +1/+1 counters on it to each opponent.

Hanabi Blast deals 2 damage to any target. Return Hanabi Blast to its owner's hand, then discard a card at random.

Commander creatures you own have "Whenever this creature attacks a player, if no opponent has more life than that player, another target creature you control gets +X/+X until end of turn, where X is this creature's power."

When Hatching Plans is put into a graveyard from the battlefield, draw three cards.

Equipped creature gets +4/+4.

: Until end of turn, Haunted Plate Mail becomes a 4/4 Spirit artifact creature that's no longer an Equipment. Activate only if you control no creatures.

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

When Healer of the Glade enters the battlefield, you gain 3 life.

Instant and sorcery spells you control have lifelink.

Haste

Chroma — When Heartlash Cinder enters the battlefield, it gets +X/+0 until end of turn, where X is the number of red mana symbols in the mana costs of permanents you control.

Flying, double strike

When Heavenly Blademaster enters the battlefield, you may attach any number of Auras and Equipment you control to it.

Other creatures you control get +1/+1 for each Aura and Equipment attached to Heavenly Blademaster.

Equipped creature gets +3/+1.

Whenever equipped creature dies, you may reveal cards from the top of your library until you reveal a creature card that shares a creature type with it. Put that card into your hand and the rest on the bottom of your library in a random order.

Equip

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

Other Demons you control have haste.

Vigilance

Whenever another Human enters the battlefield under your control, put a +1/+1 counter on Heronblade Elite.

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

Hexgold Slash deals 2 damage to target creature. If that creature has toxic, Hexgold Slash deals 4 damage to that creature instead.

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

Equipped creature gets +2/+2.

Whenever equipped creature attacks, if it's the first combat phase of the turn, untap each attacking creature. After this phase, there is an additional combat phase.

Equip

When an opponent casts an artifact spell, if Hidden Guerrillas is an enchantment, Hidden Guerrillas becomes a 5/3 Soldier creature with trample.

All creatures get -2/-2 until end of turn.

Splice onto Arcane (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Whenever Highland Berserker or another Ally enters the battlefield under your control, you may have Ally creatures you control gain first strike until end of turn.

When Highland Game dies, you gain 2 life.

Highland Lake enters the battlefield tapped.

: Add or .

When Hinterland Chef enters the battlefield, draft a card from Hinterland Chef's spellbook. It perpetually becomes a Food artifact in addition to its other types and perpetually gains ", , Sacrifice this creature: You gain 3 life."

Hinterland Harbor enters the battlefield tapped unless you control a Forest or an Island.

: Add or .

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

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

Reach

Hithlain Rope can't be sacrificed.

, : Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. The player to your right gains control of Hithlain Rope.

, : Draw a card. The player to your right gains control of Hithlain Rope.

Equipped creature gets +1/+1 for each creature you control.

Equip

Target player discards a card, then mills a card.

This spell costs less to cast if there are ten or more nonland permanents on the battlefield.

Destroy all nonland permanents.

Hungry Flames deals 3 damage to target creature and 2 damage to target player or planeswalker.

Choose one —

• Counter target spell if it's red.

• Destroy target permanent if it's red.

: You may tap or untap target artifact an opponent controls.

Banding (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 you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Whenever Ichorclaw Myr becomes blocked, it gets +2/+2 until end of turn.

Each +1/+1 counter on a creature you control is also a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

, : Roll two six-sided dice. For each odd result, put a +1/+1 counter on a creature of your choice. Activate only as a sorcery.

, : Tap target artifact, creature, or land.

Ceremorphosis — When Illithid Harvester enters the battlefield, turn any number of target tapped nontoken creatures face down. They're 2/2 Horror creatures.

: Put a +1/+1 counter on target creature for each Elf you control.

Immolating Gyre deals X damage to each creature and planeswalker you don't control, where X is the number of instant and sorcery cards in your graveyard.

Enchant creature

Enchanted creature gets +2/-2.