Frostsense, Vengance-Bound

Partner with Stopschild, Agent of Vengance
(When this creature enters, target player may
put Stopschild, Agent of Vengance into their
hand from their library, then shuffle.)

Whenever a creature dealt damage by Frostsense, Vengance-Bound this turn dies, create a 1/1 black Soul creature token. This ability triggers only twice each turn.