There should be few good ways to deal with cards this expensive and not dealing with them should be devastating
PS Platinum Secret Rare QCSE Quarter Century Secret Rare Forbidden Forbidden Vanity's Emptiness X TRAP Continuous Neither player can Special Summon monsters
Gallery and List of Channel Cards Arashi, the Sky Asunder Bamboo Grove Archer Born to Drive Boseiju, Who Endures Careful Cultivation Colossal Skyturtle Dragon Typhoon Eiganjo, Seat of the Empire Favor of Jukai Ghost-Lit Drifter Ghost-Lit Nourisher Ghost-Lit Raider Ghost-Lit Redeemer Ghost-Lit Stalker Ghost-Lit Warder Greater Tanuki Ironhoof Boar Jiwari, the Earth Aflame Jukai Preserver Kami of Bamboo Groves Mirrorshell Crab Mnemonic Sphere Moonsnare Prototype Otawara, Soaring City Reinforced Ronin Roaring Earth Saiba Trespassers Shigeki, Jukai Visionary Shinen of Fear's Chill Shinen of Flight's Wings Shinen of Fury's Fire Shinen of Life's Roar Shinen of Stars' Light Sokenzan, Crucible of Defiance Sunblade Samurai Takenuma, Abandoned Mire Touch the Spirit Realm Twinshot Sniper Best Channel Cards #10

That's all the analysis we're doing on this one, but for more stories about expensive MTG cards, check out the Thunder Junction infinite combo driving a spike, or last week's Obeka-related price rise.
Its not that Umezawas Jitte just wins the game on its own, rather, its because it provides its player with constant boons