Brinelin, the Moon Kraken + Displacer Kitten + Sol Ring + Mana Vault

4-card combo · U

Verdict

Yes — this 4-card loop generates infinite colorless mana and infinite ETB triggers through a tight bounce-blink chain.

Cards required

Cheapest stack total

$1.49

Color identity

Popularity

22 decks

Format

Commander

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Displacer Kitten blinks Brinelin, the Moon Kraken every time a noncreature spell resolves; Brinelin's enter-the-battlefield trigger bounces a mana rock back to hand, and recasting it starts the loop again. Sol Ring and Mana Vault net mana on each pass — Sol Ring costs 1 and taps for 2, Mana Vault costs 1 and taps for 3 — so the engine accelerates rather than stalls.

How it works

Prerequisites

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Steps

Activate Sol Ring by tapping it, adding .
Cast Mana Vault by paying .
Displacer Kitten triggers, blinking Brinelin.
When Brinelin enters the battlefield, it triggers, returning Sol Ring from the battlefield to your hand.
Activate Mana Vault by tapping it, adding .
Cast Sol Ring by paying .
Displacer Kitten triggers, blinking Brinelin.
When Brinelin enters the battlefield, it triggers, returning Mana Vault from the battlefield to your hand.
Repeat.

Result

Infinite colorless mana; Infinite ETB; Infinite LTB; Infinite storm count

Cheaper, tighter, alternate lines

Any two mana rocks that net positive together can replace Sol Ring and Mana Vault, but that pairing is the most efficient version available in blue. Add Altar of the Brood or Thassa's Oracle as the closer — the loop mills every opponent or draws the library, but the engine alone doesn't end the game.

Brinelin, the Moon Kraken + Displacer Kitten + Sol Ring + Mana Vault

How it works

Cheaper, tighter, alternate lines

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