Half or Nothing is a Mosaic Rare Trap Card card from Yu-Gi-Oh! (Battle Pack 2: War of the Giants, BP02). Current market price: $0.11.
Mosaic Rare
Battle Pack 2: War of the Giants (BP02)
Card Text
During your opponent's Battle Phase (except during the Damage Step): Your opponent chooses 1 of these effects.
● Halve the ATK of all monsters they currently control, until the end of the Battle Phase.
● End the Battle Phase.
