Toph, the First Metalbender

First strike, vigilance
{1}{r/w}{r/g}: Sacrifice a noncreature artifact you
control, Toph deals damage equal to the
sacrificed artifact's converted mana cost to target creature, player, or planeswalker.
{r/g}{r/w}: Toph deals damage equal to the number
of lands you control to target creature. Only
activate this ability once per turn.
"Great idea! Let the blind girl fly."