Mirage Block

Mirage Block (Visual)

Everything is from Mirage block.
There is no 5-color identity Legendary Creature from Mirage block, so I punted and use Diamond Kaleidoscope.
If someone ever were to balk at it (no one ever does), I would go off-theme and use Sliver Queen.

General (1):
Diamond Kaleidoscope

Creatures (26):
Teeka's Dragon Asmira, Holy Avenger Frenetic Efreet Guiding Spirit Rock Basilisk Viashivan Dragon Bone Dancer Catacomb Dragon Shauku, Endbringer Spirit of the Night Cerulean Wyvern Cloud Djinn Mist Dragon Rainbow Efreet Canopy Dragon Crash of Rhinos Panther Warriors Bogardan Phoenix Crimson Hellkite Maraxus of Keld Volcanic Dragon Zirilan of the Claw Alabaster Dragon Archangel Pearl Dragon Southern Paladin

Spells (29):
Snake Basket Thran Tome Xanthic Statue Energy Bolt Grim Feast Purgatory Reflect Damage Infernal Tribute Necromancy Vampiric Tutor Ancestral Memories Dissipate Polymorph Psychic Vortex Call of the Wild Creeping Mold Downdraft Preferred Selection Roots of Life Rowen Worldly Tutor Fervor Relentless Assault Volcanic Geyser Aura of Silence Disenchant Enlightened Tutor Sacred Mesa Serra's Blessing

Mana Acceleration (9):
Charcoal Diamond Fire Diamond Marble Diamond Moss Diamond Sky Diamond Rampant Growth Tithe Mind Stone Sisay's Ring

Lands (35):
Bad River Flood Plain Grasslands Mountain Valley Rocky Tar Pit Undiscovered Paradise Gemstone Mine Lotus Vale Winding Canyons Scorched Ruins Swamp Swamp Swamp Swamp Island Island Island Island Island Forest Forest Forest Forest Forest Forest Mountain Mountain Mountain Mountain Mountain Plains Plains Plains Plains Plains

Sideboard (Omitted/Cut card ideas):
Quirion Elves Amulet of Unmaking Grinning Totem Mangara's Tome Savage Twister Mystical Tutor