B.E.S. Cœur Cristallin CRV-FR021

Place 3 counters on this card when you Normal Summon it. This card cannot be destroyed by battle. If this card battles a monster, remove 1 counter from this card at the end of the Damage Step. If this card battles without a counter, destroy this card at the end of the Damage Step. Once per turn, during your Main Phase, you can change 1 monster your opponent controls to face-up Defense Position.