Endymion, the Magistus of Mastery

You can target 1 "Magistus" monster you control; equip it with 1 "Magistus" monster from your Extra Deck. You can target 1 face-up Spell you control; destroy it, and if you do, draw 1 card, then place 1 card from your hand on the bottom of the Deck. You can only use each effect of "Endymion, the Magistus of Mastery" once per turn.