B.E.S. Covered Core [SOI-EN013] Super Rare

Put 2 counters on this card when you Normal Summon it. This card is not destroyed as a result of battle. If this card battles a monster, toss a coin and call it at the end of the Damage Step. If you call it wrong, remove 1 counter. If this card battles without a counter, destroy this card at the end of the Damage Step.