Benny, Charimen Boss

Sacrifice a treasure token: Search your library for
a creature with mana value X or less, reveal it,
put it into your hand, then shuffle your library,
where X is equal to the number of artifact tokens
you've created this turn.
Pack Tactics — Whenever Benny attacks, if you
attacked with creatures with total power 6 or
greater this combat, gain control of target
noncreature, nonland permanent an opponent
controls.