Krungis, Wizard Psychopath

{t}, pay 1 life: add {u}, {b}, or {r}.
Whenever you cast and instant or sorcery,
Krungis, Wizard Psychopath deals damage
equal to that spell's converted mana cost to
target player chosen at random.
"Hey Krungis, what's making your hands
glow like that?" - Wethry the Curious, last words.