Cloud Key
Artifact · 
Cloud Key is part of 222 combos legal in Commander. Often combined with Sensei's Divining Top and Appa, Steadfast Guardian.
Cloud Key
Artifact
As this artifact enters, choose artifact, creature, enchantment, instant, or sorcery.
Spells you cast of the chosen type cost 
less to cast.
- Mana value
- 3
- Color identity
Frequently combined with
The cards that most often join Cloud Key in its 100 most popular combos.
Roles in combos
What Cloud Key provides to the combos it is part of.
- Cost Reducer - Spells
Combos with Cloud Key
222 combos legal in Commander.
Color Identity: C
Cards in combo:
Sensei's Divining Top
Mystic Forge
Cloud Key
Results in combo:
Infinite card draw
Near-infinite storm count
Infinite draw triggers
Color Identity: C
Cards in combo:
Scrap Trawler
Myr Retriever
Krark-Clan Ironworks
Cloud Key
Results in combo:
Infinite artifact ETB
Infinite artifact LTB
Infinite artifact sacrifice triggers
Infinite creature ETB
Infinite creature LTB
Infinite colorless mana
Infinite death triggers
Infinite creature sacrifice triggers
Infinite storm count
Color Identity: U
Cards in combo:
Sensei's Divining Top
Cloud Key
The Reality Chip
Results in combo:
Infinite card draw
Infinite draw triggers
Near-infinite storm count
Color Identity: U
Cards in combo:
Sensei's Divining Top
Cloud Key
Crystal Skull, Isu Spyglass
Results in combo:
Infinite card draw
Near-infinite storm count
Infinite draw triggers
Color Identity: C
Cards in combo:
Scrap Trawler
Myr Retriever
Ashnod's Altar
Cloud Key
Results in combo:
Infinite artifact ETB
Infinite artifact LTB
Infinite artifact sacrifice triggers
Infinite creature ETB
Infinite creature LTB
Infinite colorless mana
Infinite death triggers
Infinite creature sacrifice triggers
Infinite storm count
Color Identity: C
Cards in combo:
Sensei's Divining Top
Echoes of Eternity
Cloud Key
Results in combo:
Infinite card draw
Infinite draw triggers
Near-infinite storm count
Color Identity: U
Cards in combo:
Urza, Lord High Artificer
Forensic Gadgeteer
Sensei's Divining Top
Cloud Key
Results in combo:
Infinite card draw
Infinite draw triggers
Near-infinite storm count
Color Identity: U
Cards in combo:
Sensei's Divining Top
Cloud Key
Mm'menon, the Right Hand
Results in combo:
Infinite card draw
Infinite draw triggers
Near-infinite storm count
Color Identity: R
Cards in combo:
Birgi, God of Storytelling // Harnfel, Horn of Bounty
Sensei's Divining Top
Cloud Key
Results in combo:
Near-infinite draw triggers
Near-infinite looting
Near-infinite self-discard triggers
Near-infinite storm count
Color Identity: U
Cards in combo:
Displacer Kitten
The One Ring
Sensei's Divining Top
Cloud Key
Results in combo:
Infinite card draw
Infinite draw triggers
Near-infinite storm count
Color Identity: C
Cards in combo:
Krark-Clan Ironworks
Spine of Ish Sah
Sculpting Steel
Cloud Key
Results in combo:
Near-infinite artifact ETB
Near-infinite artifact LTB
Near-infinite artifact sacrifice triggers
Destroy all permanents opponents control on each of your turns
Mass Land Denial
Color Identity: U
Cards in combo:
Emry, Lurker of the Loch
Mirran Spy
Chromatic Star
Cloud Key
+2 other prerequisites
Results in combo:
Infinite card draw
Infinite draw triggers
Near-infinite storm count
Color Identity: U
Cards in combo:
Sensei's Divining Top
Cloud Key
Rook Turret
Results in combo:
Infinite draw triggers
Infinite looting
Infinite self-discard triggers
Near-infinite storm count
Color Identity: U
Cards in combo:
Sensei's Divining Top
Cloud Key
Fateful Discovery
Results in combo:
Infinite card draw
Infinite draw triggers
Near-infinite storm count
Color Identity: U, R, W
Cards in combo:
Sensei's Divining Top
Elsha of the Infinite
Cloud Key
Results in combo:
Infinite card draw
Near-infinite storm count
Infinite draw triggers
Near-infinitely large creature until end of turn
Color Identity: U
Cards in combo:
Emry, Lurker of the Loch
Urza, Lord High Artificer
Mirran Spy
Aether Spellbomb
Cloud Key
Results in combo:
Near-infinite artifact ETB
Near-infinite artifact LTB
Near-infinite artifact sacrifice triggers
Infinite card draw
Infinite draw triggers
Near-infinite storm count
Return any number of creatures to their owners' hands
Color Identity: U, R
Cards in combo:
Jhoira, Weatherlight Captain
Words of Wind
Cloud Key
Sol Ring
+1 other prerequisite
Results in combo:
Infinite storm count
Return all permanents opponents control to their owner's hand
Infinite creature LTB
Infinite creature ETB
Mass Land Denial
Color Identity: U
Cards in combo:
Sensei's Divining Top
Displacer Kitten
Narset, Parter of Veils
Cloud Key
Results in combo:
Near-infinite artifact ETB
Near-infinite artifact LTB
Infinite card draw
Infinite draw triggers
Near-infinite storm count
Color Identity: U
Cards in combo:
Sensei's Divining Top
Cloud Key
Future Sight
Results in combo:
Infinite card draw
Near-infinite storm count
Infinite draw triggers
Color Identity: W
Cards in combo:
Appa, Steadfast Guardian
Restoration Angel
Pearl Medallion
Cloud Key
Results in combo:
Infinite creature ETB
Infinite creature LTB
Infinite storm count
Infinite creature tokens
