Most of the cards that make Legacy expensive are the same cards that make Modern expensive: Snapcaster Mage, Liliana of the Veil, Misty Rainforest, etc
Blue lacks the cheap rummaging, but it has looting spells as a way to keep pushing through
Full Decklist Tidus, Yuna's Guardian Yuna, Grand Summoner Auron, Venerated Guardian Chocobo Knights Gatta and Luzzu Lord Jyscal Guado Protection Magic Summon: Ixion Summon: Yojimbo Summoner's Sending Blitzball Stadium Lulu, Stern Guardian O'aka, Traveling Merchant Rikku, Resourceful Guardian Summon: Valefor Maester Seymour Sphere Grid Summon: Magus Sisters Tromell, Seymour's Butler Yuna's Decision Yuna's Whistle Kimahri, Valiant Guardian Shelinda, Yevon Acolyte Sin, Unending Cataclysm Wakka, Devoted Guardian Collective Effort Damning Verdict Farewell Luminous Broodmoth Promise of Loyalty Resourceful Defense Scholar of New Horizons Sunscorch Regent Together Forever Chasm Skulker Inexorable Tide Pull from Tomorrow Bane of Progress Fight Rigging Forgotten Ancient Generous Patron Gyre Sage Hardened Scales Incubation Druid Path of Discovery Rampant Rejuvenator Tireless Tracker Altered Ego Endless Detour Fathom Mage Walking Ballista Brushland Canopy Vista Exotic Orchard Flooded Grove Fortified Village Glacial Fortress Hinterland Harbor Overflowing Basin Port Town Prairie Stream Skycloud Expanse Sungrass Prairie Sunpetal Grove Temple of Enlightenment Temple of Mystery Temple of Plenty Vineglimmer Snarl Destroy Evil Grateful Apparition Path to Exile An Offer You Can't Refuse Duskshell Crawler Farseek Inspiring Call Three Visits Bred for the Hunt Arcane Signet Everflowing Chalice Sol Ring Ash Barrens Evolving Wilds Forge of Heroes Idyllic Beachfront Nesting Grounds Path of Ancestry Radiant Grove Seaside Citadel Tangled Islet Temple of the False God Command Tower 3 Island 3 Forest 3 Plains Scions & Spellcraft Though Final Fantasy 14 doesn't strictly have a defined main character, Y'shtola is the closest thing to it
Kefka, Dancing Mad Decks on EDHREC: 273 While a seven-mana commander is a pretty hard sell nowadays, especially in such not-rampy colors, Kefka is still a great commander option if you love stealing cards from other players
While far from the most competitive deck archetype, Chaos decks can definitely spice up a Commander game and embrace the unpredictability of the multiplayer nature of the format
