8 Ob Nixilis Reignited Phyrexian Arena has long shown itself to be a staple card-draw engine for Commander and other formats at the kitchen table
What this means is that you can follow up your block or their removal spell with more creatures and the token will grow
Plus, its a creature thats fetchable off a Stoneforge Mystic or the new Cloud, Midgar Mercenary
I decided to focus on dragons with ETB abilities or effects that stack the more I have
Hogaak, Arisen Necropolis gave BridgeVine everything it needed to be competitive: the mill theme was made up of two halves, we can name them as hits, the cards that worked in the graveyard, like Bridge from Below, Vengevine and Bloodghast, and the miss, the ones that did absolutely nothing when thrown into the graveyard, like Goblin Bushwhacker, Walking Ballista and Insolent Neonate