If any one color is able to do too many things, then this balance is thrown off, which is why players are concerned when a card like Zell appears to break the color pie
The Aura or Equipment you target with Codsworth's last ability doesn't have to be attached to a creature you control when you target it
(2006-09-25) If a token copy of Flickering Spirit uses its activated ability, the token will not return to the battlefield, because of the rule that says tokens that leave the battlefield can't return
(I have Tenacious D's Rize of the Fenix playing in my head while writing this.) Their recurring nature makes them difficult for opponents to permanently remove, allowing you to maintain constant pressure throughout the game

Esper Aristocrats with Bane | Commander | Abe Sargent Commander (1) 1 Bane, Lord of Darkness Creatures (38) 1 Blood Artist 1 Bloodghast 1 Body Launderer 1 Burnished Hart 1 Carrion Feeder 1 Cloudblazer 1 Corpse Knight 1 Cruel Celebrant 1 Glen Elendra Archmage 1 Grim Haruspex 1 Karmic Guide 1 Keening Banshee 1 Knight of the White Orchid 1 Kor Cartographer 1 Mentor of the Meek 1 Midnight Reaper 1 Mulldrifter 1 Ophiomancer 1 Pawn of Ulamog 1 Plaguecrafter 1 Priest of Forgotten Gods 1 Puppeteer Clique 1 Ravenous Chupacabra 1 Recurring Skeleton 1 Roil Elemental 1 Roving Harper 1 Sengir Autocrat 1 Shriekmaw 1 Solemn Simulacrum 1 Solitude 1 Soul of the Harvest 1 Sower of Temptation 1 Syr Konrad, the Grim 1 Venser, Shaper Savant 1 Viscera Seer 1 Woe Strider 1 Yahenni, Undying Partisan 1 Zulaport Cutthroat Planeswalkers (2) 1 Liliana, Dreadhorde General 1 Tevesh Szat, Doom of Fools Spells (17) 1 An Offer You Can't Refuse 1 Citywide Bust 1 Counterspell 1 Cyclonic Rift 1 Disallow 1 Dismiss 1 Dissolve 1 Hagra Mauling 1 Insidious Will 1 Jwari Disruption 1 Malakir Rebirth 1 Negate 1 Sejiri Shelter 1 Swan Song 1 Teferi's Protection 1 Utter End 1 Wash Away Artifacts (8) 1 Arcane Signet 1 Lightning Greaves 1 Sol Ring 1 Swiftfoot Boots 1 Talisman of Dominance 1 Talisman of Hierarchy 1 Talisman of Progress 1 Thought Vessel Lands (34) 1 Arcane Sanctum 1 Ash Barrens 1 Barren Moor 1 Bojuka Bog 1 Command Tower 1 Drifting Meadow 1 Fetid Pools 1 Godless Shrine 1 Hallowed Fountain 1 High Market 1 Irrigated Farmland 1 Lonely Sandbar 1 Miren, the Moaning Well 1 Phyrexian Tower 1 Polluted Mire 1 Raffine's Tower 1 Reliquary Tower 1 Remote Isle 1 Secluded Steppe 1 Watery Grave 5 Island 4 Plains 5 Swamp And there you are
