Oros Charm

Enchant {w}{w}(You may sacrifice a non-token
creature you control with {w}{w} in its casting cost to
exile this permanent, then return it to play under its
owner's control.)
Flash
When Oros Charm enters play, exile target
nonland permanent until Oros Charm leaves
play. You may add either {r} or {b} when Oros
Charm leaves play.