To fuel these plays, youll need a stable mana base
The CEDH community is the perfect people that you should be approaching for feedback for this specific issue: people like Play to Win, The Spike Feeders, Playing With Power, Casually Competitive, Laboratory Maniacs, the CEDH subreddit and more, this community is KEENLY familiar with C16 partners (their metas have been dominated by them for years!) and have tons of experience identifying the most degenerate things that can be constructed by any pile of cards that you throw at them
I figured speeding up the life-draining/damaging process would also be helpful if you wanted to run this deck as the archenemy, as therell be more pressure on you to close out the game quickly when it's one-on-three
While 7-mana commanders arent as popular in the modern landscape of hyper-efficient threats, Szadek can be a fun throwback commander and provide a unique spin on the typical Voltron strategy
While Undergrowth Recon, a three-mana green enchantment, doesnt let you replay them, it does let you return them from the graveyard for free at the beginning of your upkeep