Tribe-Infecting Virus [SD4-EN007] Common OTS Tournament Pack 15 up to 1 of your

up to 1 of your opponent's Characters with 3000 power or less

if this card attacks a Defense Position monster

You can only use this effect of "Vaalmonica

Set: Genesis Impact Card type: Xyz/Effect Monster Rarity: Collector's Rare Attack: 1800 Defense: 2400 2 Level 4 Spellcaster monsters While this card is an Equip Card

You can only use each of the following effects of "Gaia the Fierce Knight Origin" once per turn

Tribe-Infecting Virus [SD4-EN007] Common OTS Tournament Pack 15 up to 1 of yourSet: Structure Deck: Fury from the Deep Card type: Effect Monster Rarity: Common Attack: 1600 Defense: 1000 Discard 1 card from your hand and declare 1 Type of monster. Destroy all face up monsters of the declared Type on the field.