Exile The Tyrant: Creatures your opponents control get -1/-1 until end of turn.

: Target creature you control gets +1/+1 until end of turn.

Exile The Warmonger: Creatures you control get +2/+0 and gain haste until end of turn.

Visit — Creatures you control get +1/+0 until end of turn.

Visit — Creatures you control get +2/+0 until end of turn.

: Target creature you control gains haste until end of turn.

, : Target creature you control gains deathtouch until end of turn.

, : Creatures you control gain landwalk until end of turn.

— : Creatures you control get +1/+1 until end of turn.

— Protection from creatures with two or more creature types

— 3/3

— 9/6

— Whenever this creature attacks, untap target permanent.

— Whenever a creature enters under your control, creatures you control get +1/+1 until end of turn.

— 2/3

— 5/3

Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name. You may turn this conspiracy face up any time and reveal that name.)

Creatures you control with the chosen name have ": This creature gets +1/+0 until end of turn."

This land enters tapped unless you control a Mountain.

: Add .

, : Creatures you control get +1/+0 until end of turn.

Whenever you crank this Contraption, creatures you control get +2/+0 and gain trample until end of turn.

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

: Add .

, : Creatures you control gain deathtouch and lifelink until end of turn.

Exile The Savant: Tap all creatures your opponents control. Those creatures don't untap during their controllers' next untap steps.

Target creature you control gains protection from each color until end of turn.

Overload (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Whenever you crank this Contraption, target creature gets +X/+0 until end of turn, where X is the number of creatures you control.