The Wandering Minstrel
{G}{U}Legendary Creature — Human Bard
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.