New Valeria Executive Hall

New Valeria Executive Hall enters the battlefield
tapped.
{t}: Add {g} or {u}.
{x}, {t}, Sacrifice New Valeria Executive Hall: Add
X mana in any combination of colors to your
mana pool. Create a 1/1 green and blue Elf
creature token with "{t}:Return New Valeria
Executive Hall from your graveyard to your
hand. You lose 2 life."