Call Sorcerers

On each of your upkeeps, create a 1/1 sorcerer creature token that is a random color. It has an
effect based off of its color.
• White: Lifelink.
• Blue: {1}{t}: Draw a card.
• Black: Wither.
{bull} Red: Haste.
{bull} Green: {t}: Add one mana of any color.