Pablo-4

{r}{r}, {t}: Create an artifact token named
Tripmine with "Sacrifice Tripmine: deal 3
damage to target creature attacking you."
Sacrifice 10 orbs of light, {t}: Destroy all
Tripmine tokens, deal 5 damage to X targets
where X is the amount of Tripmines destroyed.
One crossed wire, One wayward pinch of potassium chlorate, one errant twitch. AND KABLOOIE!