It draws you cards, and allows you to throw down high cost artifacts and creatures for free
Why is all of this happening, you might ask
both the hammer price and the buyer's premium)
You can only use each effect of "Blockout Curtain" once per turn
After all, there was a time when Blurple was considered a meme deck, and now its a bonafide top Lorcana deck
The pitch itself barely needed a pitch meeting: take the actual Duel Monsters card game, cram in over a thousand cards, and let the DSs two screens do what a real card table always wished it could, which is render your monsters in flashy 3D up top while the actual decision-making, deck construction, knowing what a Trap Card does, happens down on the touchscreen below