(: Add or to your mana pool.)
Grass-Coliseum enters the battlefield tapped unless you control an enchantment.
, , Sacrifice Grass-Coliseum: Destroy target artifact.
, : Put a 1/1 blue Shapeshifter creature token with flying onto the battlefield.
: Add 
or 
to your mana pool.), , Sacrifice Grass-Coliseum: Destroy target artifact.
, : Put a 1/1 blue Shapeshifter creature token with flying onto the battlefield.
