Mr. Cake, Overworked Baker

Overworked-At the beginning of your upkeep,
create Food tokens equal to the amount of bakers
you control squared. Whenever Mr. Cake creates
a Food token, put an Exhaustion counter on
Mr. Cake
Outburst-Remove 5 Exhaustion counters from
Mr. Cake: Deal π damage to up to 3 creatures
your opponents control. Activate only once per
turn and only on your turn.