If you dont mind buying damaged copies, the cheapest copy of Phyrexian Dreadnought on TCGplayer is available for $231, but there is a chance that the card could be unplayable in a tournament setting
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I don't recall the specifics, but at least a couple of times he played this deck and got some amazing value out of getting extra upkeeps after combat
Unfinity Magar of the Magic Strings 6,494decks Myra the Magnificent 3,719decks The Most Dangerous Gamer 2,919decks Captain Rex Nebula 1,394decks Dee Kay, Finder of the Lost 939decks The Space Family Goblinson 736decks Ambassador Blorpityblorpboop 656decks Claire D'Loon, Joy Sculptor 399decks Vorthos, Steward of Myth 307decks It Came from Planet Glurg 242decks "Brims" Barone, Midway Mobster 208decks Monoxa, Midway Manager 200decks Solaflora, Intergalactic Icon 134decks Truss, Chief Engineer 122decks Pietra, Crafter of Clowns 90decks D00-DL, Caricaturist 85decks Lila, Hospitality Hostess 72decks Grand Marshal Macie 61decks Tusk and Whiskers 60decks Meet and Greet "Sisay" 55decks Spinnerette, Arachnobat 40decks Roxi, Publicist to the Stars 35decks Jermane, Pride of the Circus 32decks Devil K
it is super cheap and provides a likely double buff: you get an Enchantment and an anthem
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