Fields of Once-Great

{t}: Add {c} to your mana pool.
{t},Tap a basic land you control: Add to your
mana pool {c}{c} and one mana of any color that the tapped land could produce. Fields of
Once-Great deals 2 damage to you.
"A world almost dead, tampered and used as a beacon for alien horrors. Last minute plans and desperate tricks. Should I be thank or appalled..."