Centaur Sandstone enters the battlefield tapped unless you pay .
, : Add , or to your mana pool. Centaur Sandstone deals 1 damage to you.
: Centaur Sandstone becomes a 2/1 green and red Elf creature until end of turn. It's still a land.
.
, 
: Add 
, 
or to your mana pool. Centaur Sandstone deals 1 damage to you.: Centaur Sandstone becomes a 2/1 green and red Elf creature until end of turn. It's still a land.
