Cacophonic Summons

Cacophonic Summons can be your commander.
Cacophonic Summons is blue, black, and red.
Cacophonic Summons' casting cost only increases by {1} for each time it has returned to the command zone.
If {u} was spent to cast Cacophonic Summons, draw a card.
If {b} was spent to cast Cacophonic Summons, target player looses 2 life.
If {r} was spent to cast Cacophonic Summons, it deals 2 damage to target creature or player.