Elven Flats enters the battlefield tapped.
: Add or to your mana pool.
Put Elven Flats on top of your library: Add to your mana pool.
, , Sacrifice Elven Flats: Target player gets a poison counter.
: Add 
or 
to your mana pool.
to your mana pool. , , Sacrifice Elven Flats: Target player gets a poison counter.
