Reflection of Endymion - Structure Deck: Order of the Spellcasters

[ Pendulum Effect ] Each time a Spell Card is activated, place 1 Spell Counter on this card when that Spell resolves. You can remove 3 Spell Counters from this card; Special Summon both this card from your Pendulum Zone and 1 monster from your hand that you can place a Spell Counter on, and if you do, place 1 Spell Counter on each. [ Monster Effect ] You can only Special Summon "Reflection(s) of Endymion" once per turn. If this card is Special Summoned: You can target 1 card your opponent controls, and 1 card you control with a Spell Counter, except this card; return that opponent's card and your card to the hand, then place the same number of Spell Counters on this card that your returned card had. When this card with a Spell Counter is destroyed by battle: You can add 1 "Endymion" card from your Deck to your hand.