Once players look past the fairy tale shenanigans, they must assess each color for its most essential tools
By Invitation Only (Innistrad: Crimson Vow) How often does your opponent have more than 13 nonland permanents when you untap and start your turn
as well as non-combat reuse of comes-into-play creatures (Jilt your own Flametongue Kavu, perhaps?) Barrin's Spite was a rare in this block and served generally the same purpose as Jilt, except that Jilt was an instant, and Jilt allowed you to unsummon your own creature if need be
Its possible that Temporal Trespass ends up in a combo deck somewhere the eleven mana converted mana cost may actually help with that in some ways but I think its likely this doesnt manage to break into any of the three major formats in a meaningful way
But the most important hurdle was evoking the feeling of D&D
The card has even proved fairly successful in cEDH, both as a Commander and a card in the 99