Glyph of the Sparkmage

At the beginning of your upkeep, Glyph of the Sparkmage deals 1 damage to target opponent.
Sacrifice Glyph of the Sparkmage: Glyph of the Sparkmage deals 1 damage to target creature.
Don't underestimate the power of small sparks. Enough of them can be more powerful than the greatest Inferno.