Level up (: Put a level counter on this. Level up only as a sorcery.)
LEVEL 1-3
2/6
Vigilance
LEVEL 4+
3/10
Vigilance

When this creature enters, mill two cards.
Whenever you cast a spell from your graveyard, tap target creature you don't control.
Disturb (You may cast this card from your graveyard transformed for its disturb cost.)

Slice and Dice deals 4 damage to each creature.
Cycling (, Discard this card: Draw a card.)
When you cycle this card, you may have it deal 1 damage to each creature.

Whenever Wick or another Rat you control enters, create a 1/1 black Snail creature token if you don't control a Snail. Otherwise, put a +1/+1 counter on a Snail you control.
, Sacrifice a Snail: Wick deals damage equal to the sacrificed creature's power to each opponent. Then draw cards equal to the sacrificed creature's power.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Switch target creature's power and toughness until end of turn.

Destroy target creature with mana value 3 or less. It can't be regenerated.

Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.)

Bestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached.)
Whenever this creature or enchanted creature deals combat damage to a player, draw a card.
Enchanted creature gets +3/+3.

Put target creature on top of its owner's library. If that creature is red, you may put it on the bottom of its owner's library instead.

Whenever you cast a spell with a Goblin Explosioneers watermark, this enchantment deals 2 damage to any target.

As long as you control a Dovin planeswalker, this creature gets +2/+2 and has vigilance. (Attacking doesn't cause it to tap.)

Trample
Lieutenant — As long as you control your commander, this creature gets +2/+2 and other creatures you control get +2/+2 and have trample.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Flying
When this creature enters, for each opponent, you may cast up to one target instant or sorcery card from that player's graveyard without paying its mana cost. If a spell cast this way would be put into a graveyard, exile it instead.

Metalcraft — This creature has double strike as long as you control three or more artifacts.

Other Zombies you control get +1/+1.
, : All Zombies gain menace until end of turn.

Heroic — Whenever you cast a spell that targets this creature, put a +1/+1 counter on each creature you control.

: Add .
, : Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")

At the beginning of combat on your turn, up to one target land you control becomes an X/X Elemental creature with trample and haste until end of turn, where X is Obuun's power. It's still a land.
Landfall — Whenever a land you control enters, put a +1/+1 counter on target creature.