Target creature gets -X/-X until end of turn, where X is the number of cards in your graveyard.

Create a 4/4 green Beast creature token.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Trample
Whenever you expend 4, this creature gets +2/+1 until end of turn. (You expend 4 as you spend your fourth total mana to cast spells during a turn.)

When this Equipment enters, attach it to target Dwarf you control.
Equipped creature gets +2/+2 and has ward . (Whenever equipped creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)
Equip (: Attach to target creature you control. Equip only as a sorcery.)

: Add one mana of any color in your commander's color identity.

Flying
When another creature enters, return this creature to its owner's hand.

When this creature enters, it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)
Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

, , Sacrifice this artifact: Add one mana of any color.
When this artifact is put into a graveyard from the battlefield, draw a card.

Reach
When this creature enters, you may destroy target creature with flying.

Cycling (, Discard this card: Draw a card.)
When you cycle this card, you may have target player lose life equal to the number of Zombies on the battlefield.

Demonstrate (When you cast this spell, you may copy it. If you do, choose an opponent to also copy it. Players may choose new targets for their copies.)
Return target card from your graveyard to your hand. You gain life equal to that card's mana value. Exile Healing Technique.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)
Flying, vigilance
When this creature enters, put a flying counter on each creature that convoked it.

Destroy all creatures.

Whenever this creature blocks or becomes blocked by a creature, this creature deals 1 damage to that creature.

Trample
Whenever another creature you control enters, Arni gets +X/+0 until end of turn, where X is that creature's power.

Whenever one or more nontoken creatures you control die, investigate. This ability triggers only once each turn. (Create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")

Flying
This creature attacks each combat if able.

At the beginning of combat on your turn, target creature you control gets +1/+0 until end of turn. Then that creature gains menace until end of turn if creatures you control have total power 8 or greater. (It can't be blocked except by two or more creatures.)

: Add .
, : Add , , or .

(: Add .)