Infected Vermin [Odyssey] SM120 When your opponent activates a

When your opponent activates a card or effect

Set: Brothers of Legend Card type: Xyz/Effect Monster Rarity: Secret Rare Attack: 2500 Defense: 2000 3 Level 5 monsters (This card is always treated as "Number C39: Utopia Ray"

if this card battles a monster of a Type that has been declared: Destroy that monster

Set: EX: Legend Maker Type: Colorless Rarity: Holo Rare Retreat cost: 0

Infected Vermin [Odyssey] SM120 When your opponent activates aSet: Odyssey Type: Creature Rat Rarity: Uncommon Cost: {2}{B} {2}{B}: Infected Vermin deals 1 damage to each creature and each player. Threshold {3}{B}: Infected Vermin deals 3 damage to each creature and each player. Activate only if seven or more cards are in your graveyard.