Xyz Block is a Common Trap Card card from Yu-Gi-Oh! (2014 Mega-Tin Mega Pack, MP14). Current market price: $0.30.
Common
2014 Mega-Tin Mega Pack (MP14)
Card Text
When your opponent activates a monster effect: Detach 1 Xyz Material from a monster you control; negate the activation, and if you do, destroy that monster.
