Stoic Challenge - NUMH-EN055 - Super Rare - Unlimited Tweet Out of stock. $0.54 Wishlist Details Passcode: 37364101 Set: Number Hunters Card Number: NUMH-EN055 Rarity: Super Rare Attribute: Spell Card Text: 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. Card Type: Equip Spell Name: Stoic Challenge Edition: Unlimited