March of Otherworldly Light saw heavy play in Standard, while Prismatic Ending was designed for Modern and is more flexible since it hits planeswalkers and other permanents
Either having a way to increase your mana or cycling is one of the best things to do
If X is 5 or more, for each artifact destroyed this way, create a token that's a copy of it
Finally, it has the Welcome Return ability, which states that whenever this character quests, you may return a chosen character of yours with a cost of one to your hand (from your discard pile), and if you do, you may play a character with a cost of one ink for free
Green ramp players want to be proactive not reactive so this card can sit dead in hand a lot of the time
Conditional hexproof is far more interesting than the unconditional version