mtg cards like polymorph MTG: The 10 Best Commanders AFR] True Polymorph— TCGPlayer preview

Threshold If there are seven or more cards in your graveyard, instead search your library for up to three basic land cards, put them onto the battlefield tapped, then shuffle

The deck plays plenty of removal and can one-for-one efficiently and get back an Arclight Phoenix or two, functioning almost like a control deck in these games, with Bedlam Reveler doing a great job of refueling in these attrition-based games

The One Ring, which Frodo carries from The Shire to the fires of Mount Doom, will appear in full glory on its own card, and its appropriately powerful

Forestwalk also comes in handy

After Wizards made the Companion mechanic far weaker, Lurrus was unbanned in Vintage

Gaeas Cradle a very powerful card, if you can afford it