Magma-Scarred Borderlands

{t}: Add {r} to your mana pool. If non-token sources dealt 4 or more damage this turn, instead add one mana of any type to your mana pool.
{1}{r}{t}, Sacrifice Magma-Scarred Borderlands: Whenever a source would deal damage this turn, it deals 1 extra damage.
Count yourself lucky if you leave with only a scar.