Whoever wins, we also win, I guess
Perhaps what it really needs to go off is reliable card stacking, a la Congregation at Dawn or Senseis Divining Top
New Phyrexia brought Karn Liberated, which was the first colorless planeswalker, requiring only generic mana to cast
$0.99 Blood Celebrant Legions $1.99 Tainted Sigil Alara Reborn $0.49 Madame Null, Power Broker Teenage Mutant Ninja Turtles $9.99 Herald of Secret Streams Ixalan $2.79 Grim Haruspex Khans of Tarkir $0.99 Darkstar Augur Bloomburrow $2.49 Drana, Liberator of Malakir The Lost Caverns of Ixalan Commander Decks $0.35 Iron Apprentice Kamigawa: Neon Dynasty $0.35 Scorn-Blade Berserker March of the Machine $1.99 Wall of Blood Mirrodin $2.49 Gray Merchant of Asphodel Theros $1.99 Mob Rule Fate Reforged 0 results found
Double-sided cards can be a bit of a pain if you're double-sleeving with inner sleeves that aren't clear, because if you want to play the backside, you'll have to pull the card out of both the inner sleeve and outer sleeve in order to flip it
Cards with E and F regulation marks will be legal to use (as will any future regulation marks that may be released)