I think Wishclaw Talisman is easily the best card spoiled so far and has a chance to really shake up Modern.
Edit: Looks like Lectrys mentioned a lot of what I was going to say so just count me as a +1.
I think this is going to be an excellent constructed card for all sorts of combo decks in Modern, Legacy and possibly even vintage (Paradoxical Outcome storm bounce the artifact while the trigger is on the stack to draw a card and return it to your hand - anyone? Paradoxical Outcome also runs a Tinker for Bolas's Citadel but in a pinch you could Tinker for this and activate it to get Tendrils of Agony.)
In fact, I feel there's a chance this could be the next Hogaak, Arisen Necropolis and end up banned in modern.
Edit: Looks like Lectrys mentioned a lot of what I was going to say so just count me as a +1.
Quoting what I said in the cube forum:
360 card powered Chicago cube:
https://cubecobra.com/cube/overview/e7r
2020 Numerical Power Rankings:
https://www.mtgsalvation.com/forums/the-game/the-cube-forum/cube-card-and-archetype/817969-2020-numerical-cube-power-rankings
2018 CubeTutor Power Rankings:
https://www.mtgsalvation.com/forums/the-game/the-cube-forum/cube-card-and-archetype/803301-cubetutor-power-rankings-2018-by-color-and-cmc