This Modern-defining artifact basically ensured there was no reason to play any creature-based deck besides the Pod toolbox build
This activation represents the Mightstone
Theres a lot of established heuristics on this subject, and a few points I can toss in to help you construct an optimal mana base for Standard, Modern, Pioneer, or whatever MTG format you prefer
That means that Katilda here, for example, could tap for Green or White
The Borderless version of the card is currently going for around $1,500 on TCGPlayer, but the site lists its market value as closer to $1,700
Theres no reason you cant bring that value train to EDH alongside cards like Currency Converter and anything else that rewards you for discarding cards while creating artifacts