Mystical Sheep #1 [TP2-013] Rare Chaos Impact Set: Dark Revelation Volume 2

Set: Dark Revelation Volume 2 Card type: Continuous Spell Rarity: Rare Attack: 0 Defense: 0 All face-up Level 4 or higher monsters on the field are in Defense Position while this card is active

then you can apply this effect

If this card is Xyz Summoned: You can detach 2 to 4 materials from this card

by Tributing 1 Thunder Effect non-Fusion Monster (in which case you do not use "Polymerization")

Mystical Sheep #1 [TP2-013] Rare Chaos Impact Set: Dark Revelation Volume 2Set: Tournament Pack 2 Card type: Effect Monster Rarity: Rare Attack: 1150 Defense: 900 You can substitute this card for any 1 Fusion Material Monster. You cannot substitute for any other Fusion Material Monsters in the current Fusion