Regulus, Flaring star

Arcanist
Restless Heart — At the beginning of your upkeep, if Regulus is not tapped, create a copy of "Treat for the ears" in exile. You can cast it until your next end step.
Sleepless Rave — Whenever three moxie counters are put on Regulus, remove them
then Regulus deals 3 damage up to three different targets, creatures or planeswalkers. Your may phase out your creatures.