Urtet, Remnant of Memnarch (Extended Art) (42) [Phyrexia: All Will Be One Commander] [Extended Art]

Whenever you cast a Myr spell, create a 1/1 colorless Myr artifact creature token. At the beginning of combat on your turn, untap each Myr you control. {W}{U}{B}{R}{G}, {T}: Put three +1/+1 counters on each Myr you control. Activate only during your turn.