Yggdrasil

Indestructible
Yggdrasil isn't a creature until it's owner controls nine creatures with different creature types.
{t}: {w}{u}{b}{r}{g}
{t}:{3}{c}{c}{c}{w}{w}{w}{u}{u}{u}{b}{b}{b}{r}{r}{r}{g}{g}{g} only activate this ability if you control nine creatures with different
creature types.