Chiron, Trainer Of Heroes

First Strike, Exalted
When a creature you control attacks and survives
the combat phase, put an arrow counter on
Chiron.
{t}: Deal X damage divided as you choose among
any number of creatures, where X is the number
of arrow counters on Chiron. Exile all target creatures on the next endstep, then return them
to the battlefield under its owner's control.