mtg commander proliferate deck such as the combo of proliferate and Benthic Biomancer to help you loot through your deck Atraxa, Grand Unifier PHYREXIAN INFECT

This looks very good in the equipment-based deck, though likely a little too weak to see play in other red decks

here isn't a wide card

Through the Ages will very likely, and at long last, bring partner pairings into the Arena format thanks to Bruse Tarl, Boorish Herder, reimagined as Final Fantasy XVI's Hugo Kupka (who is not really one of the good guys, as you may guess from the card art), and Tymna the Weaver as Cecil Harvey, illustrated by the legendary Yoshitaka Amano

Nothing else is needed for this card to be effective

That is very strong and you can -2 her first on a naked board, block an attack from a flyer, and then +1 and tap the Thopter that is left for a card after scrying, like a repeatable Opt

Tier one to ten laid out in clear terms