His non-Enchanted variant is a Legendary Rare, which is still reasonably pricey
Take it
Equip Legendary Artifact - Equipment Color tag templates(None) Fellwar Stone : Add one mana of any color that a land an opponent controls could produce
My recommendation: unless you're playing a very complex combo deck, just leave Auto Order on

1 Wildcard of any rarity A common (39.1%), uncommon (39.1%), rare (19.5%), or mythic rare (1.9%) card from the Secrets of Strixhaven main set A rare or mythic rare borderless Elder Dragon, planeswalker, or dual land (less than 1%) A rare or mythic rare field notes card (less than 1%) 1 Rare or mythic rare card A rare (82.5%) or mythic rare (14.1%) from the Secrets of Strixhaven main set A rare or mythic rare borderless Elder Dragon, planeswalker, or dual land (1.6%) A rare (1.2%) or mythic rare (less than 1%) field notes card 1 Mystical Archive card In non-Japanese Play Boosters: An uncommon (87.5%), rare (9.6%), or mythic rare (2.9%) Mystical Archive card In Japanese Play Boosters: An uncommon (58.3%), rare (6.5%), or mythic rare (2.0%) Mystical Archive card An uncommon (29.1%), rare (3.2%), or mythic rare (less than 1%) Japanese Mystical Archive card 1 Traditional foil card of any rarity A common (54.4%), uncommon (33.6%), rare (6.7%), or mythic rare (1.1%) card from the Secrets of Strixhaven main set A rare or mythic rare borderless Elder Dragon, planeswalker, or dual land (less than 1%) A rare or mythic rare field notes card (less than 1%) An uncommon (2.8%), rare (less than 1%), or mythic rare (less than 1%) Mystical Archive card 1 Land card A non-foil (26.7%) or traditional foil (6.7%) default frame basic land A non-foil (13.3%) or traditional foil (3.3%) spellcraft land A non-foil (40%) or traditional foil (10%) common dual land 1 Non-foil punch-out counter card or double-sided token Note: Percentages may not sum to 100 due to rounding

This is perfect because you get to put two cards into your hands and two into your grave to cast or remove with an ability