Oops! I Win!

Oops! I Win! must be a printed paper proxy that is placed in front of a basic land.

If Oops! I Win! is the first card you draw during your draw step, reveal it, then play Oops! I Win!

When Oops! I Win! enters the battlefield, if it was revealed, declare you have accidentally won the game. If all your opponents agree, you win. Otherwise, Oops! I Win! becomes the basic land behind it.

"It's not like I wanted to win this way!"