Rootbound Key enters the battlefield tapped.
: Add to your mana pool.
: Add or to your mana pool. Each opponent gains 1 life.
: Rootbound Key becomes a 2/1 green and blue Stag creature until end of turn. It's still a land.
: Add 
to your mana pool.: Add 
or 
to your mana pool. Each opponent gains 1 life.: Rootbound Key becomes a 2/1 green and blue Stag creature until end of turn. It's still a land.
