Target player adds three mana of the chosen color for each artifact sacrificed this way
Fine, maybe he's done it a few times
(Each creature you tap while casting a noncreature spell from exile pays for or one mana of that creature's color.) At the beginning of your first main phase, you may discard a card
Trying to uncover hidden gems
If you've never seen Nadu in action, its ability (revealing the top card of your library whenever one of your creatures becomes a target of a spell or ability, then putting it into play untapped if it's a land or putting it into your hand if it's not, twice each turn for each creature) creates not infinite but sort of functionally infinite loops with an equipment that equips for free, like Skullclamp or Lightning Greaves
You control Zilortha, Apex of Ikoria, and attack your opponent with Toxrill, the Corrosive