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Description[edit | edit source]
In Best-of-one, players submit a Standard–legal deck for play without the necessity of a sideboard. A match consists of only one game, instead of the usual three (Bo3). Cards like Mastermind's Acquisition still only find cards in a player's sideboard rather than their full in-game collection.
Because losing a single-game match after a mulligan feels worse than normal without the fallback plan of winning the other two games, starting hands are randomized in a way that should reduce the frequency of mulligans, but without incentivizing mana base construction outside the strategic norms of the game. Wizards feel this achieves the desired effect of reducing the frequency of mulligans without changing how players build their mana bases.
- The system draws an opening hand from each of two separately randomized copies of the decks and leans towards giving the player the hand with the mix of spells and lands (without regard for color) closest to the average for that deck.
- The "closest to average" usually means three lands in ones' starting hand because 22÷60×7≈2.567 and 28÷60×7≈3.267.
- You can then use the London Mulligan rules to get a new hand with one fewer card. Mulliganed hands are created from a single randomized draw.
Additional bans[edit | edit source]
References[edit | edit source]
- Best-of-One Starting Hand and Mulligan Rules
- State of the Beta for May 25th, 2018
- Paulo Vitor Damo da Rosa. (January 20, 2019.) "Best-of-One vs. Best-of-Three", ChannelFireball.com.
- Wizards of the Coast (February 14, 2019). "MTG Arena Banned and Restricted Announcement". magicthegathering.com. Wizards of the Coast.
- Melissa DeTora (June 14, 2019). "Play Design Q&A". magicthegathering.com. Wizards of the Coast.