MTG >Combos >Rings of Brighthearth +Phenax, God of Deception +Cogwork Assembler +Basalt Monolith +

With all pieces in play: Tap Basalt Monolith to add three mana Pay three mana to activate Basalt Monolith's untap ability Pay two mana to copy the ability with Rings of Brighthearth Let the copy resolve, untap Basalth Monolith and tap it again to add three mana Copy Basalt Monolith's ability with Rings of Brighthearth again Repeat process for infinite mana With infinite mana, use Cogwork Assembler's ability to create infinite copies of it. Then, tap the copies with the Phenax ability to mill your opponents' decks.