Carth the Lion and Liliana Vess on the battlefield.
({4} magic symbol) ({U} magic symbol) and an additional ({5} magic symbol) ({U} magic symbol) ({U} magic symbol) each turn available.
Steps
Cast Quantum Misalignment by paying ({4} magic symbol) ({U} magic symbol) , creating a nonlegendary copy of Carth the Lion and exiling Quantum Misalignment.
Cast Nexus of Fate by paying ({5} magic symbol) ({U} magic symbol) ({U} magic symbol) , causing you to take an extra turn after this one and shuffle Nexus of Fate into your library.
Activate Liliana Vess's second loyalty ability by removing zero loyalty counters from it, searching your library for Nexus of Fate, then shuffling your library and putting it on top.
At the beginning of your next upkeep, you may cast Quantum Misalignment from exile without paying its mana cost, targeting anything.