Bonesaw, Child Surgeon

Tinker 3
-1: Prehensile Spine - "Equipped creature has:
"Put a -1/-1 counter on this creature, it gains indestructible until end of turn."
-X: Create a 0/0 monstrosity token with "This creature has power and toughness equal to the
top card exiled beneath it, all abilities of those
cards and -1/-1 for each of those cards. Then,
exile target creature card CMC X or less from
any graveyard anywhere beneath any
monstrosity token you control."