Yugioh Single
Venom Swamp (TAEV-EN051) - Tactical Evolution Unlimited
$1.00
null / Field Spell
SPELL
Monsters lose 500 ATK for each Venom Counter on them. Destroy a monster if its ATK becomes 0 by this effect. During each player's End Phase, place 1 Venom Counter on each face-up monster, except "Venom" monsters.