Almighty Myr

Eminence - Whenever you cast another Myr spell,
if Almighty Myr is in the command zone or
on the battlefield, put a 0/1 artifact Myr token
onto the battlefield.
Convoke
{t}: add {w}, {u}, {b}, {r}, or {g}.
Other Myr creatures get +1/+0 and have "{t}: Add {1} to your mana pool."