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