Thehvik, The Red Death

{x}{x}{b/g}: All non-Lich creatures get -{x}/-{x} until end of turn. You get a Phylactery counter for each creature that died this way.
{p/g}{p/g}: Thehvik, The Red Death gains +1/+1 counters until equal to the number of Phylactery counters you have until end of turn. You may only activate this ability once per turn.