Giorno Giovanna

+2: Target artifact or enchantment loses all abilities and becomes a 1/1 blue frog creature with indestructible.
-4: If you control an artifact or enchantment, search your library for a creature card and put it on to the battlefield, then shuffle your library.
-11: You get an emblem with "As long as you control an artifact or enchantment, your opponents can't win the game and you can't lose the game."