Description

This card’s activation and effect cannot be negated. If you control a monster whose original name is “Slifer the Sky Dragon”: Destroy as many face-up monsters your opponent controls as possible, then, if you activated this card during your Main Phase, you can apply the following effect. Draw cards equal to the number of monsters destroyed by this effect and sent to your opponent’s GY, also you can only attack with 1 monster this turn. You can only activate 1 “Thunderforce Attack” per turn.