Rising Heat of Stone and Sand

Other creatures get -0/-1.
At end of combat, destroy each other creature
that blocked or was blocked this turn.
{x}{r}{r}{r}: Deal X damage divided as you choose
to up to two target creatures or planeswalkers.

Even after centuries, the Spirit remains a bit unclear on
why living things get so unhappy about fatal desiccation, but the Dahan make such pleasant patterns across its sands that it's happy to forbear.