Whenever you attack, you may sacrifice another creature or an artifact. If you do, create a 4/1 black Skeleton creature token with menace that's tapped and attacking. (It can't be blocked except by two or more creatures.)

Choose a Background (You can have a Background as a second commander.)

Flying, deathtouch

Whenever Gutmorn, Pactbound Servant enters the battlefield, each player discards a nonland card.

Whenever a player discards a card during your turn, they choose another player. That player conjures a duplicate of that card into their hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell."

Enchant creature

Enchanted creature can't be blocked as long as it's attacking alone.

If Gutter Shortcut would be put into a graveyard from anywhere, exile it instead.

Gutter Skulker can't be blocked as long as it's attacking alone.

Disturb (You may cast this card from your graveyard transformed for its disturb cost.)

Whenever you cast an instant or sorcery spell, Guttersnipe deals 2 damage to each opponent.

Trample

At the beginning of your upkeep, discard a card if you don't control an Ogre.

When Guul Draz Mucklord dies, put a +1/+1 counter on target creature you control.

Flying

Guul Draz Specter gets +3/+3 as long as an opponent has no cards in hand.

Whenever Guul Draz Specter deals combat damage to a player, that player discards a card.

, : Put a bribery counter on target creature you don't control. Its controller draws a card.

Creatures with bribery counters on them can't attack or block.

Flying

Whenever Gwaihir attacks, target attacking creature gains flying until end of turn.

At the beginning of each end step, if you gained 3 or more life this turn, create a 3/3 white Bird creature token with flying and "Whenever this creature attacks, target attacking creature gains flying until end of turn."

: Add two mana in any combination of colors. Spend this mana only to cast creature spells or activate abilities of creature sources.

Whenever you cast a creature spell with power 5 or greater, put a +1/+1 counter on Gwenna, Eyes of Gaea and untap it.

Whenever Gylwain, Casting Director or another nontoken creature enters the battlefield under your control, choose one —

• Create a Royal Role token attached to that creature.

• Create a Sorcerer Role token attached to that creature.

• Create a Monster Role token attached to that creature.

: Add .

Companion — Your starting deck contains only cards with even mana values. (If this card is your chosen companion, you may put it into your hand from outside the game for as a sorcery.)

When Gyruda enters the battlefield, each player mills four cards. Put a creature card with an even mana value from among the milled cards onto the battlefield under your control.

You may cast Haakon, Stromgald Scourge from your graveyard, but not from anywhere else.

As long as Haakon is on the battlefield, you may cast Knight spells from your graveyard.

When Haakon dies, you lose 2 life.

Whenever Haazda Marshal and at least two other creatures attack, create a 1/1 white Soldier creature token with lifelink.

At the beginning of your upkeep, sacrifice Haazda Shield Mate unless you pay .

: The next time a source of your choice would deal damage to you this turn, prevent that damage.

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

Spectacle (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.)

: Hackrobat gains deathtouch until end of turn.

: Hackrobat gets +2/-2 until end of turn.

Level up (: Put a level counter on this. Level up only as a sorcery.)

LEVEL 1-2

2/2

Hada Spy Patrol can't be blocked.

LEVEL 3+

3/3

Shroud (This creature can't be the target of spells or abilities.)

Hada Spy Patrol can't be blocked.

When Hag Hedge-Mage enters the battlefield, if you control two or more Swamps, you may have target player discard a card.

When Hag Hedge-Mage enters the battlefield, if you control two or more Forests, you may put target card from your graveyard on top of your library.

Boast — : Hagi Mob deals 1 damage to any target. (Activate only if this creature attacked this turn and only once each turn.)

Hagra Constrictor enters the battlefield with two +1/+1 counters on it.

Each creature you control with a +1/+1 counter on it has menace. (A creature with menace can't be blocked except by two or more creatures.)

Whenever Hagra Diabolist or another Ally enters the battlefield under your control, you may have target player lose life equal to the number of Allies you control.

: Target creature gets -1/-1 until end of turn.

Hail Storm deals 2 damage to each attacking creature and 1 damage to you and each creature you control.

Tap an untapped creature you control: Target player mills a card.

At the beginning of combat on your turn, each Merfolk creature you control explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on the exploring creature, then put the card back or put it into your graveyard.)

Whenever Hakbal of the Surging Soul attacks, you may put a land card from your hand onto the battlefield. If you don't, draw a card.

Flying

Whenever Hakka, Whispering Raven deals combat damage to a player, return it to its owner's hand, then scry 2.

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.)

Whenever you cast a creature spell, Halcyon Glaze becomes a 4/4 Illusion creature with flying in addition to its other types until end of turn.

Haldir, Lórien Lieutenant enters the battlefield with X +1/+1 counters on it.

Vigilance

: Until end of turn, other Elves you control gain vigilance and get +1/+1 for each +1/+1 counter on Haldir.

Vigilance

Stunning Strike — , : Tap target creature.

Trample

At the beginning of each end step, if an opponent was dealt damage this turn,

Augment (, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Whenever a nontoken creature enters the battlefield,

Augment (, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Whenever Halimar Excavator or another Ally enters the battlefield under your control, target player mills X cards, where X is the number of Allies you control.

Level up (: Put a level counter on this. Level up only as a sorcery.)

LEVEL 1-4

0/6

LEVEL 5+

6/6

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Haste

, : Target creature can't block this turn.

: Add .

, : Put target enchantment card from your graveyard on top of your library.

: Add .

, : Add one mana of any color.

: Put a +1/+1 counter on target creature. Activate only as a sorcery and only if you've cast an instant or sorcery spell this turn.

: Add .

, : Add one mana of any color.

, : Create a tapped Powerstone token. (It's an artifact with ": Add . This mana can't be spent to cast a nonartifact spell.")

As Hall of Triumph enters the battlefield, choose a color.

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

Prevent all damage target spell would deal this turn. You gain life equal to the damage prevented this way.

(: Add or .)

As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

As long as you control seven or more enchantments, creatures you control have flying and vigilance.

Whenever you cast an enchantment spell, create a white Spirit Cleric creature token with "This creature's power and toughness are each equal to the number of Spirits you control."

Until end of turn, if a creature would enter the battlefield and it wasn't cast, exile it instead.

Draw a card.

Exile target nonlegendary creature, then return it to the battlefield under its owner's control. If it entered under your control, put a +1/+1 counter on it. Otherwise, tap it.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Creatures that attacked during their controller's last turn can't attack.

, , Untap a tapped creature you control: Create a 1/1 green and white Citizen creature token.

, , Untap two tapped creatures you control: Draw a card.

, , Untap fifteen tapped creatures you control: You win the game.