Bonehoard 
Artifact — Equipment
Living weapon (When this Equipment enters, create a 0/0 black Phyrexian Germ creature token, then attach this to it.)
Equipped creature gets +X/+X, where X is the number of creature cards in all graveyards.
Equip 
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Prints
Neon Dynasty Commander
EN · NEC · 2022-02-18
Zendikar Rising Commander
EN · ZNC · 2020-09-25
The List
EN · PLST · 2020-09-01
Commander Anthology
EN · CMA · 2017-06-09
Commander 2016
EN · C16 · 2016-11-11
Commander 2015
EN · C15 · 2015-11-13
Commander 2014
EN · C14 · 2014-11-07
Mirrodin Besieged
EN · MBS · 2011-02-04