مرآة البدر

Each time a monster(s) is destroyed by battle or effect, place 1 Full Moon Counter on this card for each. You can remove Full Moon Counters from this card, then activate 1 of these effects;
● 1: Special Summon 1 Level 6 or lower monster (Fiend or Fairy) from your hand or GY.
● 3: Add 1 Level 10 DARK monster from your Deck to your hand.
● 5: Special Summon 1 Level 10 monster from your hand or GY.
You can only use this effect of "Full Moon Mirror" once per turn.