Deck Devastation Virus [DR3-EN178] Super Rare Grass [-30] that monster you control gains

that monster you control gains 2000 ATK/DEF during that damage calculation only

Special Summon this card from the GY

during either player's Main Phase: You can destroy 1 monster in your hand or field

but it cannot be used as a Synchro Material for a Summon

Set: The Lost Millennium Card type: Ritual/Effect Monster Rarity: Ultimate Rare Attack: 2500 Defense: 1500 This card can only be Ritual Summoned with the Ritual Spell Card

Deck Devastation Virus [DR3-EN178] Super Rare Grass [-30] that monster you control gainsSet: Dark Revelation Volume 3 Card type: Normal Trap Rarity: Super Rare Attack: 0 Defense: 0 Tribute 1 DARK monster with 2000 or more ATK. Check all monsters on your opponent's side of the field, your opponent's hand, and all cards they draw (until the end of your opponent's 3rd turn after this card's activation), and destroy all monsters with 1500 or less ATK.