The Dark - Hex-Sealed Fusion

Effect Monster · Rock · DARK · ★3

ATK 1000/DEF 1600

“You can substitute this card for any 1 Fusion Material Monster, but the other Fusion Material Monster(s) must be correct. You can Tribute Fusion Material Monsters on the field, including this face-up card; Special Summon 1 corresponding DARK Fusion Monster from your Extra Deck.”