Queen Essence

+2: add 2 blue mana. put 2 music counters on this. create a legendary artifact called "the funk string".
-X: put X music counters on this. Create a 1/1 troll token with mutate for 2 mana and: "if you mutate this, gain control of a creature of a opponent.
-13: for each music counter on this, add 1 blue mana and all creatures you control get +X/+X, where X is the amount of music countersv on this.