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
If you're concerned about a card, compare it to another card from the same set
But you can get delirium quite easily if you build around it
And then you can use graveyard recursion like Open the Vaults to bring back all of your non-lands
Note there are no restrictions here beyond that any counter counts from anyone's stuff, and then when it dies you can send them to a dork like your Commander or other stuff and then this is tucked