Vault Coliseum enters the battlefield tapped.
, : Add , or to your mana pool.
: Vault Coliseum becomes a 1/1 blue and black Rogue Rat creature with flying until end of turn. It's still a land.
, 
: Add 
, 
or to your mana pool.
: Vault Coliseum becomes a 1/1 blue and black Rogue Rat creature with flying until end of turn. It's still a land.
