Mind Carver

Artifact — Equipment - (uncommon)

When Mind Carver enters the battlefield, attach it to target creature you control.
Equipped creature gets +1/+0. It gets +3/+1 instead as long as an opponent has eight or more cards in their graveyard.
Equip 

Price

tcgplayer 0.07

cardmarket 0.04

cardsphere 0.14

cardkingdom 0.49