The Ixion Vineyard

The Ixion Vineyard enters the battlefield tapped.
{t}: Add {g} or {w}.
{x}, {t}, Sacrifice The Ixion Vineyard: Add X
mana in any combination of colors to your mana
pool. Create a 1/1 green and white Soldier
creature token with "{t}, Sacrifice another
Soldier creature: Return The Ixion Vineyard
from your graveyard to your hand."