Swamp Coliseum enters the battlefield tapped.
: Add or to your mana pool.
Sacrifice Swamp Coliseum: Add or to your mana pool.
, Sacrifice Swamp Coliseum: Add to your mana pool.
: Add 
or 
to your mana pool. or to your mana pool., Sacrifice Swamp Coliseum: Add 
to your mana pool.
