SLD: Koma, Cosmos Serpent Throne of Eldraine her in-depth research can help

her in-depth research can help you find the cards you need to succeed

but you do have to beat the odds of the lunchroom to fill your tray first to win the game

This is Texas Showdown by Mark Major re-themed

whether vertically or horizontally

Flying {X}{U/B}: Choose a color

SLD: Koma, Cosmos Serpent Throne of Eldraine her in-depth research can helpThis spell can't be countered. At the beginning of each upkeep, create a 3 3 blue Serpent creature token named Koma's Coil. Sacrifice another Serpent: Choose one Tap target permanent. Its activated abilities can't be activated this turn. Koma, Cosmos Serpent gains indestructible until end of turn.