The Wandering Minstrel

Legendary Creature — Human Bard{G}{U}1/3

Lands you control enter untapped. The Minstrel's Ballad — At the beginning of combat on your turn, if you control five or more Towns, create a 2/2 Elemental creature token that's all colors. {3}{W}{U}{B}{R}{G}: Other creatures you control get +X/+X until end of turn, where X is the number of Towns you control.

Colour identity Five-color · Commander page

In short

The Wandering Minstrel has 5 listed printings; the most valuable is the Borderless · Surge Foil printing from FIN at US$30.98 on TCGplayer's market price. Prices below are the cheapest in-stock listing in the United States.