Joel, the Survivor

Partner with Ellie, the Immune
Vigilance
Whenever Joel, the Survivor, or an equipped
creature attacks, create a junk token.
At the beginning of combat on your turn, target artifact becomes an equipment in addition to its
other types until end of turn. It gains: "Equipped creature gets +X/+0 where X is the number of artifacts you control" and "Equip {2}"