Cards that are easy to access, work in multiple decks, and remain effective regardless of game state tend to dominate competitive play
Either way, I dont expect well see more support for Kithkin for a long time
Mirkwood Bats Life drain when you create tokens, and life drain when you sacrifice them
Ignore any alternative costs, additional costs, cost increases, or cost reductions
With Tovolar leading the pack, Werewolves went from neglected beta to dominant alpha at the tables, proving once again that any archetype can gain a huge power boost if you put an undercosted massive card draw engine in the command zone
The back half of this battle, Zilortha, Apex of Ikoria, makes itself and the creature you tutored for (and all of your other non-humans!) effectively unblockable