In particular, it's had a strong impact on retro cards, with this Reserved List rare getting expensive, and this Stronghold card also jumping up in value
Unlike March of Otherworldy Light, which is the next best alternative, Prismatic Ending is just hyper-efficient, removing a Ragavan, Nimble Pilferer for one and a Wrenn and Six for two mana, never having to overpay
I wouldn't run this in Superfriends, for example, because most of the best planeswalkers are around that cmc range, along with the very best archetype support cards like Doubling Season
Set alerts on sealed product and buy when the price is right
It takes just one land drop to recast it, which makes it impossible to remove
You'll take all the same actions, and you may end up putting a +1/+1 counter on the permanent