Displacer Kitten + The One Ring + Sensei's Divining Top + Cloud Key

4-card combo · U

Verdict

Yes — this 4-card loop draws the entire library in mono-blue by blinking The One Ring with Displacer Kitten on every Top cast.

Cards required

Cheapest stack total

$42.70

Color identity

Popularity

2,162 decks

Format

Commander

Buy required cards on TCGplayer

Cloud Key reduces Sensei's Divining Top to zero mana, which triggers Displacer Kitten to blink The One Ring; The One Ring resets its burden counters and immediately draws Top back off the top of the library via its own tap ability, looping indefinitely. The whole chain is mono-blue, artifact-dense, and lives in Urza, Lord High Artificer or Emry, Lurker of the Loch shells that already want every piece independently.

How it works

Prerequisites

"Artifact" chosen with Cloud Key.

Steps

Cast Sensei's Divining Top by paying .
Displacer Kitten triggers, blinking The One Ring.
Activate Sensei's Divining Top's second ability by tapping it, causing you to draw a card and put Sensei's Divining Top from the battlefield onto the top of your library.
Activate The One Ring by tapping it, putting a burden counter on it and causing you to draw Sensei's Divining Top from your library.
Repeat.

Result

Infinite card draw; Infinite draw triggers; Near-infinite storm count

Cheaper, tighter, alternate lines

Etherium Sculptor substitutes for Cloud Key as the cost-reducer, though it is a creature and dies more easily. The loop draws the library but doesn't win on its own — drop in Thassa's Oracle or Jace, Wielder of Mysteries as the closer, or use the storm count with Aetherflux Reservoir if the list already runs it.