Deadeye Navigator + Eternal Witness + Lion's Eye Diamond

3-card combo · GU

Verdict

Yes — this 3-card loop generates infinite colored mana and infinite ETB triggers the moment Deadeye Navigator and Eternal Witness are paired.

Cards required

Cheapest stack total

$3.90

Color identity

Popularity

726 decks

Format

Commander

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Lion's Eye Diamond cracks for three blue, Deadeye Navigator blinks Eternal Witness for two, and Eternal Witness's ETB returns the Diamond to hand — net positive mana every cycle. The loop belongs in any Simic or Sultai shell that already wants Deadeye Navigator as an ETB-abuse engine, since the Navigator pairs with dozens of creatures, and Eternal Witness is a staple in virtually every green deck.

How it works

Steps

Activate Lion's Eye Diamond, sacrificing it to add .
Activate Eternal Witness's soulbond ability, exiling it and then returning it to the battlefield.
Eternal Witness triggers on ETB, returning Lion's Eye Diamond to your hand.
Deadeye Navigator triggers, pairing itself with Eternal Witness.
Repeat for infinite blue mana.
Once you have infinite blue mana, repeat for infinite colored mana and graveyard recursion.

Result

Infinite colored mana; Infinite ETB; Infinite LTB; Infinite blinking; Infinite recursion of cards in your graveyard

Cheaper, tighter, alternate lines

Spine of Ish Sah replaces Lion's Eye Diamond as the mana source in artifact-heavy builds if the Diamond is restricted or unavailable, though it asks for more setup. Once mana is infinite, repeat the Eternal Witness trigger to recur any card from the graveyard on loop — pair the engine with Thassa's Oracle or Blue Sun's Zenith to close the game.

Deadeye Navigator + Eternal Witness + Lion's Eye Diamond

How it works

Cheaper, tighter, alternate lines

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