You have effectively increased the average CMC of your action spells by 1/6th of a mana
The math is pretty straightforward, but Wizards likes to obfuscate things, because they dont want us to know specifics
A 2/1 flier for 2 mana has already a good rate to see play, and in the late game you can have a counterspell on the board
Get a head start filling it up with 5 booster packs from the special Scarlet & VioletWhite Flare expansion
Sincerely, All of us at Wizards of the Coast Ultimately, it feels like Wizards of the Coast is portraying that this One Ring Magic card mishap was an honest mistake, born of wanting to do right by fans' expectations
I think there is value in just getting a body down early, getting a few shots in, and then opening the door to your first Army