That potentiality puts it in the C-tier, although I expect most decks that want this effect will stick with Bitter Reunion
Modes that you want but are too narrow to play directly
Alchemical Components Alchemy begins with all the cards in the Standard card pool and rotates on the same cadence, and then it adds in new features with rebalanced cards and cards with digital-only mechanics from supplemental sets like Alchemy: Innistrad
Heart of Te Fiti Item The Heart of Te Fiti is a decent card that could be combined with Gramma Talas Floodborn card to gain extra lore
Tons of people are going to be buying this deck and looking to upgrade it, so all of those cards have the potential to grow in price
At such a low cost, there arent likely to be quite as many threats out so early in the game, either, making Pinocchio, Star Attraction a way of bursting out of the gate with a lore total that your opponents may struggle to ever catch