Dennis, Master of Four Paths

Whenever you cast a spell depending on the color different effects apply.
-Multi-colored: draw a card and Dennis gains
vigilance until end of turn.
-White: you may exile target permanent until the beginning of the next end step and Dennis gains lifelink until end of turn.
-Blue: you may draw a card then discard a card and Dennis gains flying until end of turn.
-Red: deal 3 damage to target creature or player and Dennis gains menace until end of turn.