Hterdem The Decaying

Indestructible, Menace
On the start of your turn create one black Vile
Scale token artifact or one green Hysteric Blood
token artifact
{1}{b}{g} Sacrifice X Vile Scales where X is the
amount of Vile Scales and gain 2 health per
sacrifice
{4}{b}{g} Sacrifice two Hysteric Blood and take
control of one of your opponents creatures
remove all keywords and abilities and give
it Frenzy