1200 card binder Ultra Pro Zippered Pro 9-Pocket Elder Scrolls Mages Guild Not Too Bulky ringless card binder GrinOwl 16-Pocket

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

(iOS support is on the way.) As for when the app will debut stateside, its unclear

Where can I pre-order Scarlet & VioletStellar Crown

They stock authentic Japanese TCG products no fakes, no shady sellers, just the real deal

Use these to your advantage and know what you're buying if you're unsure about something being legitimate

Commander is his favorite format, but he's been known to put on his competitive hat to play Standard and Pioneer