Grave Verge enters the battlefield tapped.
: Add or to your mana pool.
Sacrifice Grave Verge: Add or to your mana pool.
: Grave Verge becomes a 2/1 black and white Skeleton creature until end of turn. It's still a land.
: Add 
or 
to your mana pool. or to your mana pool.: Grave Verge becomes a 2/1 black and white Skeleton creature until end of turn. It's still a land.
