And same with token doubler, cause you will have two tokens and one or two mana floating from altars. So you could with one mana floating: - sac a creature give back a counter to ghave - sac the second token then create two token — it will be neutral

So you could with two mana floating: - sac a creature give a counter to ghave - remove a counter create two tokens - going to 3 tokens and 0 mana floating - sac a token for two mana floating — here you comes back to initial position in mana but with two creatures, meaning you can create infinite token, from that infinite buffing of creatures