Sri-Yantra, Red

Whenever a Land gets tapped for Mana,
Sri-Yantra, Red adds {r} to your Mana Pool.
{t}: Gain 1 Life.
{r}{r}: Destroy Target Land.
{x}, Sacrifice a Land: Deal X Damage to All Creatures in Play.
"This ain't no Game. Think of Fire
and Something starts Burning."