Cascading Cataracts, Doubling Season, and Darksteel Reactor on the battlefield. All other cards in hand. available.
Maralen of the Mornsong + Beacon of Tomorrows + Clearwater Goblet
Combo result
Infinite turns. Prerequisites
Beacon of Tomorrows in your library. All permanents on the battlefield. Clearwater Goblet has at least three charge counters on it. {U}{U} available each turn.
Maralen of the Mornsong + Nexus of Fate + Clearwater Goblet
Combo result
Infinite turns. Prerequisites
Nexus of Fate in your library. All permanents on the battlefield. Clearwater Goblet has at least three charge counters on it. {U}{U} available each turn.
Sage of Hours + Clearwater Goblet + Lathiel, the Bounteous Dawn
Combo result
Infinite turns. Prerequisites
All permanents on the battlefield. Clearwater Goblet has at least five charge counters.
Sage of Hours + Clearwater Goblet + Willowdusk, Essence Seer
Combo result
Infinite turns. Prerequisites
All permanents on the battlefield. Clearwater Goblet has at least five charge counters. available each turn.