Mystical Tutor [Signature Spellbook: Jace] XY169 sacrifice it unless you sacrifice

sacrifice it unless you sacrifice any number of creatures with total power 12 or greater

Set: Black & White: Black Star Promos Type: Colorless Rarity: Black Star Promo Retreat cost: Colorless

Set: Magic Ruler Card type: Fusion Monster Rarity: Rare Attack: 1200 Defense: 900 "Armaill" + "One-Eyed Shield Dragon"

Reverse Type: Instant — Adventure Return target nonland permanent an opponent controls to its owner's hand

Mystical Tutor [Signature Spellbook: Jace] XY169 sacrifice it unless you sacrificeSet: Signature Spellbook: Jace Type: Instant Rarity: Rare Cost: {U} Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top. "It's not just what you know. It's knowing where to find what you don't."