Fangluin, Naugrim Agitator

Gemcut 1 (When this creature enters the battlefield,
put a +1/+1 counter on it, or create a treasure token.)
Fangluin, Naugrim Agitator attacks each turn if
able unless you pay {w} at the beginning of your
upkeep.
Smithcraft - {1}{u}, {t}: Target creature attacks this
turn if able. Activate this ability only if you
control three or more artifacts.