That way, you will be able to build a good version of the deck and grind the ranked ladder well enough
Things like Echo of Eons is great in the format, but Timetwister would be too good
They make great Commanders, in particular

Rainbow Ramos | Commander | Stephen Johnson Commander (1) 1 Ramos, Dragon Engine Creatures (28) 1 Archelos, Lagoon Mystic 1 Birds of Paradise 1 Child of Alara 1 Chromanticore 1 Deathrite Shaman 1 Dryad of the Ilysian Grove 1 Enigma Sphinx 1 Enlisted Wurm 1 Etherium-Horn Sorcerer 1 Fallaji Wayfarer 1 Gadwick, the Wizened 1 Garth One-Eye 1 Jodah, the Unifier 1 Maelstrom Archangel 1 Maelstrom Wanderer 1 O-Kagachi, Vengeful Kami 1 Pir, Imaginative Rascal 1 Primeval Spawn 1 Seedborn Muse 1 Sphinx of the Guildpact 1 Sylvan Caryatid 1 The Ur-Dragon 1 Tiamat 1 Toothy, Imaginary Friend 1 Transguild Courier 1 Two-Headed Hellkite 1 Utopia Tree 1 Winding Constrictor Instants (11) 1 Arcane Denial 1 Assassin's Trophy 1 Boros Charm 1 Crackling Doom 1 Cyclonic Rift 1 Fate Transfer 1 Manamorphose 1 Sphinx's Revelation 1 Stroke of Genius 1 Swan Song 1 Unite the Coalition Sorceries (11) 1 Cultivate 1 Farseek 1 In Garruk's Wake 1 Ingenious Mastery 1 Iridian Maelstrom 1 Kodama's Reach 1 Last Stand 1 Mind Spring 1 Rampant Growth 1 Safewright Quest 1 Torment of Hailfire Enchantments (3) 1 Leyline of Anticipation 1 Maelstrom Nexus 1 The Kami War Artifacts (9) 1 Amulet of Vigor 1 Chromatic Lantern 1 Fieldmist Borderpost 1 Firewild Borderpost 1 Mistvein Borderpost 1 Thought Vessel 1 Vedalken Orrery 1 Veinfire Borderpost 1 Wildfield Borderpost Lands (37) 3 Forest 3 Island 3 Mountain 3 Plains 3 Swamp 1 Arcane Sanctum 1 Command Tower 1 Contaminated Aquifer 1 Crumbling Necropolis 1 Frontier Bivouac 1 Geothermal Bog 1 Haunted Mire 1 Idyllic Beachfront 1 Jungle Shrine 1 Molten Tributary 1 Mystic Monastery 1 Nomad Outpost 1 Opulent Palace 1 Radiant Grove 1 Reliquary Tower 1 Sacred Peaks 1 Sandsteppe Citadel 1 Savage Lands 1 Seaside Citadel 1 Sunlit Marsh 1 Tangled Islet 1 Wooded Ridgeline If you wanted to tune this list up, the place to start would be the mana base

This will help achieve complete randomization of the drawn cards
Plus, youll have a trusty flier at your side