Raikou & Suicune LEGEND (92/95) [HeartGold & SoulSilver: Unleashed] SM108 by Tributing 1 Thunder Effect

by Tributing 1 Thunder Effect non-Fusion Monster (in which case you do not use "Polymerization")

you can activate this card's effect by revealing 1 Fusion Monster from your Extra Deck and sending 1 of the Fusion Material Monster listed on that card from your Main Deck to the Graveyard

Destroy the equipped monster and this card during the Standby Phase of your opponent's next turn

all of your opponent's monsters are destroyed in place of your own

Raikou & Suicune LEGEND (92/95) [HeartGold & SoulSilver: Unleashed] SM108 by Tributing 1 Thunder EffectSet: HeartGold & SoulSilver: Unleashed Type: Lightning,Water Rarity: Ultra Rare Retreat cost: 1