B.E.S. Covered Core

When this card is Normal Summoned, put 2 counters on it. This card cannot be destroyed by battle. If this card attacks or is attacked, at the end of the Damage Step toss a coin and call it. If you call it wrong, remove 1 counter. If this card battles without a counter, destroy it at the end of the Damage Step.

Machine EARTH Effect Monster 7 effect