Agadeem's Awakening // Agadeem, the Undercrypt

Commander is where Agadeem's Awakening // Agadeem, the Undercrypt does its best work — the format's longer games, higher creature density, and tolerance for six- and seven-mana sorceries all play into its strengths, and the land face is a meaningful consistency upside in 99-card decks that can't afford dead draws. In Modern and Pioneer, it sees play in dedicated reanimator and black midrange shells, though the sorcery speed and heavy black pip requirement make it a sideboard-or-toolbox card more often than a four-of. Legacy has faster, cheaper ways to fill and empty graveyards, so Agadeem's Awakening // Agadeem, the Undercrypt competes for slots against strictly faster options and lands mostly in grindier builds that want the land flexibility. Oathbreaker mirrors Commander's dynamic at a smaller scale — the same graveyard synergies apply, and the land is equally free to include.