20 cards where (the text includes “player” and the text includes “loses” and the text includes “the” and the text includes “game”) and it’s legal in Commander

Angel of Destiny (Zendikar Rising #2)
Atemsis, All-Seeing (Core Set 2020 #46)
Blood Tyrant (Archenemy: Nicol Bolas #81)
Curse of Vengeance (Commander 2016 #12)
Door to Nothingness (Magic 2013 #203)
Elbrus, the Binding Blade // Withengar Unbound (Dark Ascension #147)
Elbrus, the Binding Blade // Withengar Unbound (Dark Ascension #147)
Etrata, the Silencer (Guilds of Ravnica #170)
Ezio Auditore da Firenze (Assassin's Creed #25)
Faithbound Judge // Sinner's Judgment (Innistrad: Crimson Vow #12)
Faithbound Judge // Sinner's Judgment (Innistrad: Crimson Vow #12)
Frodo, Sauron's Bane (The Lord of the Rings: Tales of Middle-earth #18)
Phage the Untouchable (Conspiracy #120)
Ramses, Assassin Lord (Dominaria United Commander #39)
Sengir, the Dark Baron (Commander Legends #149)
Share the Spoils (Forgotten Realms Commander #34)
Strixhaven Stadium (Strixhaven: School of Mages #259)
Triskaidekaphobia (Masters 25 #110)
Vorpal Sword (Adventures in the Forgotten Realms #124)
Vraska, Golgari Queen (Guilds of Ravnica #213)
Vraska, Scheming Gorgon (Rivals of Ixalan #197)
Vraska the Unseen (Commander 2019 #207)

Though this query has ended, its relics still slumber in New Argive.