If you’re going for a Mecha’thun win condition, how are you going to get rid of the 2nd UI without killing yourself? In a perfect world, I guess the 2nd UI woudln’t be on the bottom 5 of your deck. But how often have you ever played 2 UIs in one game? It’s very rare. Seems like you could be burning cards and hoping you don’t lose a combo piece or cursing because your UI is one of your last cards and it’s going to do a ton of damage to yourself. Maybe 1 UI?
If you’re going for a Mecha’thun win condition, how are you going to get rid of the 2nd UI without killing yourself? In a perfect world, I guess the 2nd UI woudln’t be on the bottom 5 of your deck. But how often have you ever played 2 UIs in one game? It’s very rare. Seems like you could be burning cards and hoping you don’t lose a combo piece or cursing because your UI is one of your last cards and it’s going to do a ton of damage to yourself. Maybe 1 UI?