Veinfire Borderpost

You may pay {1} and return a basic land you
control to its owner's hand rather than pay
this spell's mana cost.
Planned In-Volition {b/r} ({b/r} exile a card from hand: Aether cast this spell)
Veinfire Borderpost enters the battlefield tapped.
{t}: Add {b} or {r} to your mana pool