Twilight Isle enters the battlefield tapped unless you pay .
: Add or to your mana pool.
Sacrifice Twilight Isle: Add or to your mana pool.
: Twilight Isle becomes a 2/2 black Zombie creature until end of turn. It's still a land.
.
: Add or 
to your mana pool. or to your mana pool.
: Twilight Isle becomes a 2/2 black Zombie creature until end of turn. It's still a land.
