Incomplete Template

Indestructible
As long as Incomplete Template has no sci
counter on it, it isn't a creature.
{w}{u}{b}{r}{g}: Put a sci counter on Incomplete
Template, it becomes an artifact in addition to
its other types. At the beginning of your next
upkeep, pay {3}. If you don't, remove a sci
counter from it.
{w}{u}{b}{r}{g}: Exile another target myr creature,
then return it to the battlefield under its
owner's control.