Galvanic Key Combos

Galvanic Key has been printed in Mirrodin, and has 6 combos.

Time Vault + Galvanic Key

Combo result
Infinite turns.
Prerequisites

All permanents on the battlefield. available each turn.

Ashnod the Uncaring + Bolas's Citadel + Galvanic Key

Combo result
Each opponent loses the game. Near-infinite damage.
Prerequisites

All permanents on the battlefield. Each opponent's life total is no greater than 40. You control at least 18 other nonland permanents. available.

Drafna, Founder of Lat-Nam + Galvanic Key + Empowered Autogenerator

Combo result
Infinite colored mana. Infinite charge counters on Empowered Autogenerator. Infinite storm count. Infinite untap of artifacts you control.
Prerequisites

All permanents on the battlefield. Empowered Autogenerator has at least four charge counters on it.

Galvanic Key + Rings of Brighthearth + Everflowing Chalice

Combo result
Infinite colorless mana. Infinite artifact untaps.
Prerequisites

All permanents on the battlefield. At least 6 counters on Everflowing Chalice.

Kurkesh, Onakke Ancient + Magistrate's Scepter + Galvanic Key

Combo result
Infinite turns.
Prerequisites

All permanents on the battlefield. {11}{R}{R}{R} available every other turn.

Rings of Brighthearth + Galvanic Key + Candelabra of Tawnos

Combo result
Infinite colored mana.
Prerequisites

All permanents on the battlefield. High Tide in hand. available. You control at least 4 islands.