Kane, Fabricator General

Canticle(You may tap this creature. If you do, you
gain 1 counter of Maintenance, then trigger any
relevant Canticle effects. All counters of Maintenance
are sacrificed during the end step.) Once you have 5
or more Maintenance counters, you gain control
of all artifacts in play.
Other artifact creatures you control get +1/+1.
{2}{r}: Gain control of target artifact until end
turn. Untap it. It gains haste until end
turn.