Sesh, Hay Killer

Convoke, skulk
{3}: Put Sesh, Hay Killer into target players hand.
Only Sesh's owner may activate this ability.
So long as Sesh is in your hand, if you don't own
Sesh, at the begining of your upkeep, sacrifice a creature. If you can't, return Sesh, Hay Killer to
the battlefield under its owner's control.
"Don't let it in the house!"