It gets brought up often, but, Wizards of the Coast, a non-Hasbro subsidiary, did that exactly once
I remember a time when I thought the supplemental Commander products that came out each year were so cool, and there were two cards I always hoped found their way into Modern: Baleful Strix and Shardless Agent
The next spell they cast this turn has cascade." (When they cast their next spell, they exile cards from the top of their library until they exile a nonland card that costs less
Stellar Pokemon Mechanics The big difference, in terms of mechanics, is that Stellar Pokemon appear to be similar to Dragon type Pokemon and (going way back now!) Crystal Pokemon from the early 00s e-Series card sets
If you find your list to be very similar to someone else's except for one card it is a clue that one of you is overrating or undervaluing that card
Big nostalgia