Herbert West, The Reanimator

{t}: Put a study counter on Herbert West, The Reanimator. Create a 2/2 zombie creature token with haste. Sacrifice it at the beginning of
your end step.
{t}: Remove three study counters from Herbert West, The Reanimator and sacrifice it. Create a 6/6 zombie creature token with undying.
Damn it, it wasn't quite fresh enough!