Krav, the Unredeemed 4 (Battlebond)

Partner with Regna, the Redeemer (When this creature enters, target player may put Regna into their hand from their library, then shuffle.) {B}, Sacrifice X creatures: Target player draws X cards and gains X life. Put X +1/+1 counters on Krav.

NM - $4.50
LP - $3.60
MP - $2.70
HP - $1.80
DMG - $0.40