Tiny Tonitrus

Whenever Tiny Tonitrus enters the battlefield
or another source you control deals noncombat
damage to an opponent or a permanent they
control, you get a quicksilver counter.
{r}, {t}, Remove a quicksilver counter from
yourself: Tiny Tonitrus deals damage divided as
you choose among any number of target player
or permanents equal to 4 plus the amount of
noncombat damage you've dealt to players
this turn.