While there are no cards in the hand and in the Spell & Trap Card Zones of this card's controller, increase the ATK of this card by 1500 points.
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Most of you who have entered this thread entered it to find out what the hell a Theban Nightmare is in the first place. Theban Nightmare is a techy slapdown-beatdown card, whose attack skyrockets when you have no backfield, and no hand. Great answer to a heavy storm, or something to play after you have dropped your own. It also wins every topdeck war in the history of ever... In my opinion, its a highly underrated card that can deal some heavy damage, a 4 star 3000 is nothing to scoff at.
Advanced Format 3/5