Regna, the Redeemer

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.

Partner with Okaun, Eye of Chaos (When this creature enters, target player may put Okaun into their hand from their library, then shuffle.) At the beginning of combat on your turn, flip a coin until you lose a flip. Whenever a player wins a coin flip, draw a card.

Partner with Zndrsplt, Eye of Wisdom (When this creature enters, target player may put Zndrsplt into their hand from their library, then shuffle.) At the beginning of combat on your turn, flip a coin until you lose a flip. Whenever a player wins a coin flip, double Okaun's power and toughness until end of turn.

Partner with Gorm the Great (When this creature enters, target player may put Gorm into their hand from their library, then shuffle.) Deathtouch Whenever Virtus deals combat damage to a player, that player loses half their life, rounded up.

Partner with Virtus the Veiled (When this creature enters, target player may put Virtus into their hand from their library, then shuffle.) Vigilance Gorm must be blocked if able, and Gorm must be blocked by two or more creatures if able.

Partner with Sylvia Brightspear (When this creature enters, target player may put Sylvia into their hand from their library, then shuffle.) Flying, haste Knights your team controls have flying and haste.

Partner with Khorvath Brightflame (When this creature enters, target player may put Khorvath into their hand from their library, then shuffle.) Double strike Dragons your team controls have double strike.

Partner with Toothy, Imaginary Friend (When this creature enters, target player may put Toothy into their hand from their library, then shuffle.) If one or more counters would be put on a permanent your team controls, that many plus one of each of those kinds of counters are put on that permanent instead.