Toward the end of the game, make full use of the security-card-trashing When Attacking effects to quickly give you the edge
Here's another card with a big shot at being in Magic's World Champion's deck next Sunday, so there's not telling how much it could cost by Monday
Metagame Breakdown 146 ABC (143 ABC, 1 Artifact ABC, 1 Brilliant ABC, 1 Symphonic Warrior ABC) 118 Metalfoes (117 Metalfoes, 1 Speedroid Metalfoes) 84 D/D 69 Blue-Eyes (67 Blue-Eyes, 2 Ritual Blue-Eyes) 23 HERO (22 HERO, 1 Synchro HERO) 21 Darklord (19 Darklord, 1 Speedroid Darklord, 1 Speedroid Burning Abyss Darklord) 15 DARK Synchro 14 Burning Abyss (11 Speedroid Phantom Knights Burning Abyss, 1 Ritual Burning Abyss, 1 Speedroid Burning Abyss, 1 Speedroid Nekroz Burning Abyss) 10 Frog (7 Speedroid Frog, 2 Frog, 1 Frog Paleozoic) 9 Monarch (3 Brilliant Monarch, 3 Domain Monarch, 2 Speedroid Artifact Monarch, 1 Artifact Brilliant Monarch) 6 Yang Zing (4 Speedroid Yang Zing, 2 Metalfoes Yang Zing) 5 Kozmo (4 Kozmo, 1 Speedroid Kozmo) 3 Infernoid 3 Nekroz (2 Shaddoll Nekroz, 1 Nekroz) 3 Qliphort 3 Yosenju 2 Cyber Angel 2 Junk Doppel 2 Lightsworn (1 Lightsworn, 1 Shiranui Lightsworn) 1 Barrier Statue 1 Dark Magician 1 Denglong FTK 1 Galaxy 1 Lightsworn Shiranui 1 Ritual Beast 1 Speedroid Phantom Knights 1 Tellarknight ABC The early ABC builds were running Galaxy Soldier and Transmodify
Maze's End Gates are better in Commander with the printing of Baldur's Gate and Gond Gate, but I still think it unlikely that this works outside of Nine-Fingers Keene decks, and honestly, even in those decks
