libelle, bringer of prosperity

flying, lifelink
commander assist (another player may pay up to {x} of this spell's cost where x is this spell's
commander tax).
spells you cast have assist, if a player would pay
mana on a spell they did not cast you and that
player draw a card, if an opponent payed {3}
or more on an instant or sorcery spell they
did not cast that player copies it and may
choose new targets for the copy.