Reshiram & Charizard GX (SM247) [Sun & Moon: Black Star Promos] FAB008-P if you control "Toon World":

if you control "Toon World": You can target 1 card on the field

Set: Platinum: Arceus Type: Darkness Rarity: Rare Retreat cost: Colorless

The effect of an Effect Monster that this monster destroys as a result of battle is negated

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 more ATK

then Special Summon that Fusion Monster from the Extra Deck

Reshiram & Charizard GX (SM247) [Sun & Moon: Black Star Promos] FAB008-P if you control "Toon World":Set: Sun & Moon: Black Star Promos Type: Fire Rarity: Promo Retreat cost: Colorless,Colorless,Colorless