Ambush
When Played: You may return an event from a discard pile to its owner's hand.

Ambush (After you play this unit, it may ready and attack an enemy unit.)

When Played: You may return an event from a discard pile to its owner’s hand.

Rules Clarifications:

• Ambush is an ability that triggers at the same time as “When Played” abilities. If there is no enemy unit that can be attacked, the unit does not ready.