Ravaged Sands

({t} to add {c}{c} to your mana pool.)
{4}: exile target creature from a graveyard, then create a token that is a copy of it, except it's 4/4 and a black zombie in addition to it's other types, then zombies you control get +0/-2 until end of turn.
Amonkhet was already long dead before the fall, but even it's vicious inhabitants withered away.