1 "Magistus" monster + 1 Spellcaster monster
If this card is Special Summoned from the Extra Deck: You can target 1 card your opponent controls; destroy it. When your opponent activates a monster effect, or their monster declares an attack, except during the turn this card was Special Summoned (Quick Effect): You can banish this card; Special Summon 1 "Magistus" or "Invoked" monster from your Extra Deck, except "Invoked Magistus Heruvim". You can only use each effect of "Invoked Magistus Heruvim" once per turn.