It appeared in rainbow foil and is currently worth just over $3
If you care about creatures, use dorks like Llanowar Elves
Honorable Mentions: Vehicles & Spacecraft It's always fun to see big numbers on these vehicles and spacecraft, but they don't start as creatures, and you have to put some real amount of work into unlocking their power and toughness
4 Ashiok, Nightmare Weaver Steal From Opponents Legendary Planeswalker Cost: 1 Generic, 1 Blue, and 1 Black Mana Ashiok is the first Planeswalker to appear on this list, and has some potent abilities for all formats, but would work especially well as a commander for Brawl
As an example of how weird things can get, the MTG Unfinity card Form of the Approach of the Second Son turns the real-life player into a card - they must balance the rest of their deck on their head, and if they manage to eventually draw themselves, they win