Kaln, heir to Brudiclad

Converge — Create a 1/1 Myr creature
token that is all colors and has "{t}: Add one
mana of any color." for each color of mana spent to cast this spell.
{x}{w}{u}{b}{r}{g}: Populate X times. (To populate, create a token that's a copy of a creature token you control. Do this X times.)