Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly name a card. You may turn this conspiracy face up at any time and reveal the chosen name.)
Whenever you cast an instant or sorcery spell with the chosen name, you may draw a card.

This land enters tapped.
When this land enters, return a land you control to its owner's hand.
: Add .

This land enters tapped.
: Add or .

Whenever a player casts an instant or sorcery spell, that player copies it. The player may choose new targets for the copy.

Whenever chaos ensues, instant and sorcery spells you cast this turn cost less to cast.

: Roll a six-sided die. This ability has the indicated effect.
1 — Sacrifice Jack-in-the-Mox and you lose 5 life.
2 — Add .
3 — Add .
4 — Add .
5 — Add .
6 — Add .

This land enters tapped.
When this land enters, it deals 1 damage to target opponent.
: Add or .

Whenever you crank Jamming Device, creatures target player controls get -1/-1 until end of turn.

: Add .
: Add one mana of any color. Spend this mana only to cast an Ally spell or activate an ability of an Ally source.
, : Create a 1/1 white Ally creature token.

This land enters tapped.
Cycling

Names — Jetpack / Death / Seltzer
Art — Glass axe / Bowling pin / Nicol Bolas headband
2 — Trample
3 — : Monstrosity 3.
3 — 2/7
4 — 6/5

, : Put a charge counter on this artifact. Note the type of mana spent to pay this activation cost. Activate only if there are no charge counters on this artifact.
, Remove a charge counter from this artifact: Add one mana of this artifact's last noted type.

, Sacrifice this artifact: Add three mana of any one color. Spend this mana only to cast your commander.