Players would run this card alongside Cascade effects, Cascade into Valki and then actually play Tibalt, cheating in a seven mana planeswalker that could draw cards, remove dangers, and threaten an ultimate that would give you all the options you could possibly need
I can do all these amazing things
Im sad we didnt see any new battles, as this seemed like the most obvious set for them, but I understand the timing wasnt on their side for including them
Since the fetch counters remain on the exiled cards, and having those is the only requirement to cast them with Haldan, the spells from Pako hang out indefinitely until youre ready to cast them, even after Pako/Haldan have been removed and recast several times
Any breakthrough addition would be better for us than them