Forest Ruins enters the battlefield tapped.
: Add or to your mana pool.
Sacrifice Forest Ruins: Add or to your mana pool.
: Forest Ruins becomes a 2/2 black and green Elf creature with trample until end of turn. It's still a land.
: Add 
or 
to your mana pool. or to your mana pool.
: Forest Ruins becomes a 2/2 black and green Elf creature with trample until end of turn. It's still a land.
