Geistflame Reservoir - Innistrad: Double Feature - 142

Artifact

Mana Cost: {2}{R}

Whenever you cast an instant or sorcery spell, put a charge counter on this artifact.
{1}{R}, {T}, Remove any number of charge counters from this artifact: It deals that much damage to any target.
{1}{R}, {T}: Exile the top card of your library. You may play that card this turn.

Rare · Innistrad: Double Feature · #142 (DBL)

Illustrated by Anna Christenson