Under the Sea Commander Showdown is back! We had a brief bout of Un-Mander articles during the Unstable season, but now we're back to black-bordered Magic, so it's Rivals of Ixalan time! I won't waste time with preamble—these fishy friends were the most-requested matchup for this week's Showdown. You know who they are: [card]Kumena, Tyrant of Orazca[/card] […]