This low-cost tactic is likely to knock out almost any opponent
Every now and again I "spring clean" it to make sure it isn't too much above 600 cards
My favorite two-card combo in Commander would have to be Sunforger and Mistveil Plains allowing you to repeatedly cast any white or red instant with a converted mana cost of four or less
Aatchik, Emerald Radian Abomination of Llanowar Agent Frank Horrigan Akawalli, the Seething Tower Amzu, Swarm's Hunger Atlas, Sizable Stooge Baba Lysaga, Night Witch Bebop & Rocksteady Belbe, Corrupted Observer Beledros Witherbloom Blech, Loafing Pest Bortuk Bonerattle Brako, Heartless Hunter Camellia, the Seedmiser Carth the Lion Chevill, Bane of Monsters Cleopatra, Exiled Pharaoh Cloud of Darkness Dina, Essence Brewer Dina, Soul Steeper Exdeath, Void Warlock Glissa Sunslayer Glissa, Herald of Predation Glissa, the Traitor Gorma, the Gullet Grakmaw, Skyclave Ravager Greta, Sweettooth Scourge Grismold, the Dreadsower Gyome, Master Chef Hapatra, Vizier of Poisons Harald, King of Skemfar Hazel of the Rootbloom High Perfect Morcant Hogaak, Arisen Necropolis Honest Rutstein Ikra Shidiqi, the Usurper Iname as One Izoni, Center of the Web Izoni, Thousand-Eyed Jarad, Golgari Lich Lord Jenova, Ancient Calamity Kagha, Shadow Archdruid Killmonger, Scourge of Wakanda Kraven the Hunter Lathril, Blade of the Elves Lluwen, Exchange Student Lluwen, Imperfect Naturalist Long Feng, Grand Secretariat Mazirek, Kraul Death Priest Meren of Clan Nel Toth Michonne, Ruthless Survivor Nath of the Gilt-Leaf Nemata, Primeval Warden Neo Exdeath, Dimension's End Old Man Willow Old Rutstein Old Stickfingers Pharika, God of Affliction Pippin, Warden of Isengard Pizza Face, Gastromancer Polukranos, Unchained Ragnarok, Divine Deliverance Rendmaw, Creaking Nest Reyhan, Last of the Abzan Sapling of Colfenor Sarulf, Realm Eater Savra, Queen of the Golgari Shelob, Child of Ungoliant Shessra, Death's Whisper Sisters of Stone Death Skullbriar, the Walking Grave Slimefoot, the Stowaway
