Wizards clearly stated back in 2016 that it has no desire to police proxies, even for in-store play, as long as the events aren't sanctioned and the events are using traditional proxies and not counterfeit cards
For example, take a White aggressive deck built around cheap creatures with tempo-disruption abilities attached like Thalia, Guardian of Thraben, Imposing Sovereign, Containment Priest, and Aven Mindcensor
As Ojer Taq looked on, the Komon Winaq built a golden age that lasted for millennia: this was the Age of the Sun
Bloomburrow is set in Valley home to animals who yearn for adventure, as well as those whod rather live a quiet and tranquil life in the forests and meadows of their world
To mirror this change, the decks have been heavily reduced in price, too
With Crucible of Worlds, you can only play the land side of the MDFC card because Crucible allows you to play lands in your graveyard