(: Add or to your mana pool.)
Slagheap Lake enters the battlefield tapped.
: Slagheap Lake becomes a 2/1 red and blue Ape creature until end of turn. It's still a land.
: Add 
or 
to your mana pool.): Slagheap Lake becomes a 2/1 red and blue Ape creature until end of turn. It's still a land.
