X-23, Raging Youth

Melee (Whenever this creature attacks, it gets +1/+1
until end of turn for each opponent you attacked with
a creature this combat.)
Whenever X-23, Raging Youth enters the battlefield or attacks, put a trigger scent counter
on up to one other target creature.
Creatures with trigger scent counters on them
must block X-23, Raging Youth if possible.