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.

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.

March of the Machine Commander

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.