Bob Ross, Virtuoso

{1}{w},{t}: Put a Flying Unicorn Token into play.
Gain 1 Life for each Happy Token in play.
{1}{b},{t}: All opponents discard a card. Give
each of them a Happy Little Accident Token.
{1}{g},{t}: Put a Happy Little Tree Token into play.
Put a +1/+1 counter on each your creatures.
{1}{r},{t}: Destroy target artifact or enchantment,
Give the owner a Happy Little Accident Token.
{1}{u},{t}: Put a Happy Little Cloud token into
play, then Draw a Card.