(: Add or to your mana pool.)
Garden Coliseum enters the battlefield tapped.
: Garden Coliseum becomes a 2/1 green and blue Elf creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.): Garden Coliseum becomes a 2/1 green and blue Elf creature until end of turn. It's still a land.
