Zav'i, Cartel Arcanist

Partner with Akumjhargo, Cartel Brute (When
this creature enters the battlefield, target player may
put Akumjhargo into their hand from their library,
then shuffle.)
Zav'i, Cartel Arcanist and other Mercenaries you
control, enter the battlefield with X +1/+1
counters on them, where X is the highest mana
value among permanents you control.