Time Bruses trigger on creatures that already threaten damage
You dont need to draw the specific mana for cards like Avatar Aang / Aang, Master of Elements, Atraxa, Grand Unifier and Scion of the Ur-Dragon
This list is the cream of the crop thats not already in the top 74: Abstruse Appropriation Accursed Marauder Amphibian Downpour Argent Dais Arna Kennerd, Skycaptain Branching Evolution Breya, Etherium Shaper Crabomination Dreamtide Whale Emperor of Bones Estrid's Invocation Genku, Future Shaper Glimpse the Impossible Grim Servant Kaalia of the Vast Kudo, King Among Bears Monstrous Vortex Nesting Grounds Pearl-Ear, Imperial Advisor Phelia, Exuberant Shepherd Powerbalance Rosheen, Roaring Prophet Sevinne's Reclamation Shadow of the Second Sun Shilgengar, Sire of Famine Solar Transformer Sowing Mycospawn The Necrobloom Thraben Charm Volatile Stormdrake Wheel of Potential Wight of the Reliquary #74
Golos, Tireless Pilgrim is clearly a 5-color commander, but it became the go-to commander for 5-color decks and was hurting diversity in the format in the same way (if not worse than) the rest of Commanders banned cards
They were first printed in the following set, Lorwyn
Who would you run as a 5-color vehicle commander
