Sage of Benevolence - Ciela

(This card is always treated as a "Sky Striker" card.)
You can discard 1 Spell; Special Summon this card from your hand. You can banish 1 Spell from your GY; give control of this card to your opponent, and if you do, Special Summon 1 "Sky Striker Ace" monster from your GY. If this card is destroyed by battle or card effect and sent to the GY: You can target 1 of your banished "Sky Striker" Spells; add it to your hand. You can only use each effect of "Sage of Benevolence - Ciela" once per turn.