Like most Magic: The Gathering cards, the value of Karlach, Fury of Avernus depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Commander Legends: Battle for Baldur's Gate)
This seems to be part of the confusion among the community, as its unclear what The List will become as new iterations continue to surface from Wizards
Frondland Felidar is also pretty cute, especially since it turns into "tap two creatures: tap target creature" once the Rite + Vigilance engine gets online
Advanced Search Sets Random Syntax Abian, Luvion Usurper (playtest) Academy Elite Aeon Chronicler Aladdin's Lamp Alandra, Sky Dreamer All-Fates Scroll All-Seeing Arbiter Alquist Proft, Master Sleuth Altar of the Wretched Ancestral Anger Arcanis, the Omnipotent Avatar Azor, the Lawbringer B.O.B
+1/+1 counters, -1/-1 counters, charge counters, you name it