This fascinating engine turns the top of your library into an endless loop by uniting Future Sight and Sensei's Divining Top, allowing you to continually cast the Top straight off your library for a single mana. To fuel this recycling loop, Cryptolith Rite transforms your creatures—most notably the dormant Traxos, Scourge of Kroog—into mana producers by tapping to pay for the Top's casting cost. Every time you cast that historic artifact, Traxos untaps itself via its own triggered ability, resetting the giant creature to tap right back down for mana and keeping the infinite sequence rolling.