12 cards where the cards can be your commander and it’s legal in Commander and the card is tagged “gives-flash”

Elsha of the Infinite (Double Masters 2022 #208)
Gandalf, Friend of the Shire (The Lord of the Rings: Tales of Middle-earth #50)
Gandalf the White (The Lord of the Rings: Tales of Middle-earth #19)
Heliod, the Radiant Dawn // Heliod, the Warped Eclipse (March of the Machine #17)
Heliod, the Radiant Dawn // Heliod, the Warped Eclipse (March of the Machine #17)
Kianne, Corrupted Memory (Duskmourn: House of Horror Commander #2)
Liberator, Urza's Battlethopter (The Brothers' War #237)
Najal, the Storm Runner (Dominaria United #208)
Raff Capashen, Ship's Mage (Commander Masters #351)
Renari, Merchant of Marvels (Commander Legends: Battle for Baldur's Gate #90)
Sally Sparrow (Doctor Who #155)
Teferi, Mage of Zhalfir (Time Spiral Remastered #91)
Yeva, Nature's Herald (Ravnica Remastered #162)

Though this query has ended, its relics still slumber in New Argive.