March of the Machine Commander

Sokenzan

All creatures get +1/+1 and have haste.
Whenever chaos ensues, untap all creatures that attacked this turn. If it's a main phase, there is an additional combat phase after this phase, followed by an additional main phase.

Planechase Anthology Planes

All creatures get +1/+1 and have haste.
Whenever you roll {Chaos}, untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase.

Planechase Planes

All creatures get +1/+1 and have haste.
Whenever you roll chaos, untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase.