Frenetic Efreet and Chance Encounter on the battlefield.
Steps
Activate Frenetic Efreet's ability an arbitrarily large amount of times by paying a total of ({0} magic symbol) .
Resolve the first Frenetic Efreet ability, flipping a coin and either sacrificing Frenetic Efreet or causing it to phase out.
If you win the flip, Chance Encounter triggers, putting a luck counter on it.
Resolve the next Frenetic Efreet ability, flipping a coin and not phasing out or sacrificing Frenetic Efreet due to it no longer being on the battlefield.
Repeat from step 3.
Results
Win the game at the beginning of your next upkeep.