Given the name 1996 World Champion, the unclassified creature needed one of each color to be played, was immune to most of things one could do to a creature in the game, and was only as strong as their opponent was
With this Tool, it would be a hell of a combo
Melmetal ex can do it, but you are extremely slow on damage over the course of the game
Sacrificing a Bojuka Bog , only to bring it back next turn to exile another players graveyard, all the while gaining two life, is a great use case for Uurg, and its only the tip of the Froggy iceberg
If we ping everyone while we are the only player on the table capable of hitting with Lifelink, sooner or later, everyone will be struggling except for us