The Last Warrior from Another Planet [LON-077] Ultra Rare Toon/Effect Monster This effect can only be

This effect can only be used once while this card is face-up on the field

You can only use this effect of "Speedroid Terrortop" once per turn

decrease the ATK and DEF of all your opponent's monster by 700 points

you can Set 1 "Dark Magic Attack"

You can Tribute 2 monsters

The Last Warrior from Another Planet [LON-077] Ultra Rare Toon/Effect Monster This effect can only beSet: Labyrinth of Nightmare Card type: Fusion Effect Monster Rarity: Ultra Rare Attack: 2350 Defense: 2300 "Zombyra the Dark" + "Maryokutai". When this card is Special Summoned, destroy all monsters on your side of the field except this card. As long as this card remains face up on the field, both players cannot Summon (including Flip Summon or Special Summon) any monster.