For one green mana, Helix Pinnacle is a card that can completely change your objective and approach to winning a game of Commander
This is key as whenever Wrexial deals combat damage to an opponent, its controller may cast an instant or sorcery card from that player's graveyard without paying its mana cost
Shaun, Father of Synths BPhillipYork: Neato for creating an army, a bit dangerous because of the potential to create loops with additional combats with some of the legendaries like Eomer, Marshal of Rohan and Aurelia the Warleader
Tergrid, God of Fright / Tergrid's Lantern Discard remains good with Tergrid, God of Frights amazing discard payoff
This further increases the social element and fosters a community around a game makes it a hub for a player's life
Expansion Algorithm A single instance of proliferate can go a long way in Commander