Tap target untapped creature. That creature deals damage equal to its power to its controller.

Turn target creature with a morph ability face down.
Cycling

Defender
As long as there are two or more counters among creatures you control, this creature can attack as though it didn't have defender.

When this creature enters, put a +1/+1 counter on target creature.

(Start the game with this conspiracy face up in the command zone.)
Draw an additional hand of seven cards as the game begins. Before taking mulligans, shuffle all but one of your hands into your library.

Delirium — This creature gets +1/+1 and has trample as long as there are four or more card types among cards in your graveyard.

Be an architect of disruption

You draw two cards and each opponent discards two cards. Each player loses 2 life.

Black creatures get +1/+1.

This land enters tapped.
, Sacrifice this land: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

At the beginning of combat on your turn, exile up to one larget creature. Return it to the battlefield under its owner's control at the beginning of the next end step.

When chaos ensues, cards can't enter from exile this turn. Then planeswalk.

When this creature enters, earthbend 2.
Creatures you control with +1/+1 counters on them have trample.

When this creature enters, earthbend 1.
Whenever you tap a creature for mana, add an additional .

Whenever Badgey becomes tapped, each opponent loses 1 life and you gain 1 life.

Return up to one target creature card from your graveyard to the battlefield. Return up to one target permanent card from your graveyard to your hand.

Creatures your opponents control with power less than Baeloth Barrityl's power are goaded.
Whenever a goaded attacking or blocking creature dies, you create a Treasure token.
Choose a Background (You can have a Background as a second commander.)

Target creature's base power perpetually becomes 0.

When this enchantment enters, exile target creature an opponent controls with mana value 3 or less.
When this enchantment leaves the battlefield, target opponent creates a 3/3 green Dinosaur creature token with trample.

Counter target spell, then ask a person outside the game if that spell looks dangerous to them. If they say yes, draw a card, then discard a card.

When this artifact enters, create three Food tokens.
: Add for each Food you control.

Whenever this creature attacks, it gets +X/+X until end of turn, where X is the number of legendary creatures you control.

Whenever you sacrifice another nontoken artifact or creature, exile it.
, , Sacrifice another artifact or creature: Draw a card.
, , Sacrifice this artifact: Roll a d10. Return up to X cards from among cards exiled with this artifact to their owners' hands, where X is the result.

Whenever you discard a card, exile that card from your graveyard.
, : Draw a card, then discard a card.
, , Sacrifice this artifact: Return all cards exiled with this artifact to their owner's hand.

, : Roll a d8. Reveal cards from the top of your library until you reveal a creature card with mana value equal to the result. Put that card onto the battlefield and the rest on the bottom of your library in a random order.

Share — , , Sacrifice this artifact: Put a +1/+1 counter on up to one target creature. Draw a card. Activate only as a sorcery.
Nosh — , , Sacrifice this artifact: You gain 3 life and draw a card.