This event is ran at Regular REL and is capped at a max of 4 rounds. These are one-on-one best of 3 games with 60 card minimums for the main deck (up to 15 card sideboard). Standard games should last an average length per game of about 20 minutes with 50 minute rounds. With the exception of basic lands (Plains, Island, Swamp, Mountain, Forest, and Wastes), your combined deck and sideboard may not contain more than four of any individual card, counted by its English card title equivalent. Standard Showdowns feature exclusive promos while supplies last that can only be earned during the event.