Elek, Earnest Tinkerer

When Elek, Earnest Artificer enters the battlefield, create Gunblade, a colorless equipment artifact token with "Equipped creature has +2/+0
and reach." and Equip {2}, then attach it to this creature.
Magical Tinkering — {u}, {t}, Sacrifice an artifact: Search your library for an artifact card with mana
value equal to 1 plus the sacrificed artifact's mana value, put it onto the battlefield, then shuffle. Activate only as a sorcery.