Stadium Delta enters the battlefield tapped.
: Add or to your mana pool.
Sacrifice Stadium Delta: Add or to your mana pool.
: Stadium Delta becomes a 2/2 white Bird creature until end of turn. It's still a land.
: Add 
or 
to your mana pool. or to your mana pool.
: Stadium Delta becomes a 2/2 white Bird creature until end of turn. It's still a land.
