FLIP: If it is the Main Phase: Apply these effects in sequence. Destroy all face-up monsters you control, except "Mimighoul" monsters. Give control of this card to your opponent.During your Main Phase: You can Special Summon this card from your hand to your opponent's field in face-down Defense Position. If this card is Normal or Special Summoned: You can add 1 "Mimighoul" Spell/Trap from your Deck to your hand. You can only use each effect of "Mimighoul Dragon" once per turn.