You can only control 1 ""Stoic Challenge"". Equip only to a face-up Xyz Monster that has Xyz Material. It gains 600 ATK for each Xyz Material attached to a monster you control, and any battle damage your opponent takes from battles involving it and their monster is doubled, but its effects cannot be activated. During your opponent's End Phase: Send this card to the Graveyard. When this card leaves the field, destroy the equipped monster.
![Stoic Challenge [Number Hunters] [NUMH-EN055] | Gear Gaming Bentonville](http://bentonville.geargamingstore.com/cdn/shop/products/70038_200w.jpg?v=1570625834)
