Ferocious That creature gains indestructible until end of turn if you control a creature with power 4 or greater
Creature - Zombie Color tag templates(None) Selhoff Entomber , Discard a creature card: Draw a card
Sorcery Color tag templates(None) Shared Roots Search your library for a basic land card, put it onto the battlefield tapped, then shuffle
Given Valgavoth's story in Duskmourn, being the enemy of the table at large is an absolute flavor win for the story but it's easy to call something a flavor win when you don't get knocked off the table for running it
Yes, Acererak the Archlich is a key card in 9 combo(s) in our combo database, linked from the Combos section of this page
The second metagame consideration is that control strategies have not been putting up good results recently compared to the more proactive archetypes, and may not be well-positioned