I would say it's technically only an infinite mana combo if you can get infinite mana out of it for another purpose, so if it goes "spend 1 mana to get X, spend X to get 1 mana + Y", it's probably more correct not to call it "infinite mana".
I would say it's technically only an infinite mana combo if you can get infinite mana out of it for another purpose, so if it goes "spend 1 mana to get X, spend X to get 1 mana + Y", it's probably more correct not to call it "infinite mana".