Possessed Scarecrow

Whenever another creature dies, Possessed
Scarecrow gets +3/+0 and gains flying and haste
until end of turn.
At the beginning of your upkeep, if Possessed Scarecrow is in your graveyard, you may sacrifice
a creature. If you do, return Possessed Scarecrow
to the battlefield.
A deck can have any number of cards named Possessed Scarecrow.