Its a staple in formats where library manipulation matters, and it turns into virtual card advantage when you pair it with shuffle effects like fetch lands
If you have Academy Manufactor on the field, then you also create a Treasure Token and a Food Token every time you investigate, leading to endless ETBs, endless LTBs, endless Clue, Treasure, and Food Tokens, infinite lifegain, infinite card draw, infinite draw triggers, and infinite mana
Furthermore, since it is compatible with death guides, it is fully possible to consider adopting it for Cloudian
But in a binder it does flatten out and holds them securely
That free card gives you the comfort in knowing that you only spent two mana for this effect, not the card itself, and thus, you keep going
Feraligatr [Holo] #41 (Pokemon Temporal Forces | Pokemon Cards) prices are based on the historic sales