Agrus Kos, Eternal Soldier + Soulbright Flamekin + Deflecting Swat + Felidar Guardian + Skullwinder

5-card combo · RGW

Verdict

Yes — this 5-card loop generates infinite ETBs, infinite red mana, and strips a target opponent's graveyard entirely by bouncing every card back to their hand.

Cards required: 5
Cheapest stack total: $79.78
Color identity: RGW
Popularity: 0 decks
Format: Commander

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Agrus Kos, Eternal Soldier is the engine: every activated ability or triggered ability copy costs and spreads to each other creature, which means Soulbright Flamekin's trample-and-8-red trigger fires across the board and Felidar Guardian's blink touches everything simultaneously. Skullwinder is the recursion glue — its ETB returns Deflecting Swat from the graveyard each loop, and Deflecting Swat's free cast retargets leftover Felidar Guardian triggers back onto Agrus Kos to restart the cycle. The combo lives in Naya blink or Agrus Kos spellslinger shells that can assemble five specific pieces, which is the real cost of entry here.

Recipe

How it works

Prerequisites

You control your commander. You have not activated Soulbright Flamekin's ability more than twice this turn.

Steps

Activate Soulbright Flamekin by paying , targeting Agrus Kos.
Agrus Kos triggers, causing you to pay to copy Soulbright Flamekin's ability targeting each other creature you control.
Resolve all Soulbright Flamekin triggers, giving the targeted creatures trample until end of turn and adding eight .
Cast Felidar Guardian by paying .
When Felidar Guardian enters the battlefield, it triggers, targeting Agrus Kos.
Agrus Kos triggers, causing you to pay to copy Felidar Guardian's trigger, targeting each other creature you control except Felidar Guardian.
Resolve the copies of Felidar Guardian's trigger targeting Soulbright Flamekin and Skullwinder, blinking Soulbright Flamekin and Skullwinder.
When Skullwinder enters the battlefield, it triggers, returning Deflecting Swat from your graveyard to your hand and causing an opponent to return a card to their hand from their graveyard.
Holding priority, activate Soulbright Flamekin by paying , targeting Agrus Kos.
Agrus Kos triggers, causing you to pay to copy Soulbright Flamekin's ability targeting each other creature you control.
Resolve all Soulbright Flamekin triggers, giving the targeted creatures trample until end of turn and adding eight .
Cast Deflecting Swat by paying , changing any of the remaining Felidar Guardian triggers not targeting Agrus Kos to target Agrus Kos instead.
Repeat from step 6.

Result

Infinite LTB; Infinite ETB; Infinite storm count; Infinite red mana; Infinite magecraft triggers; Infinite blinking; Target opponent returns all cards in their graveyard to their hand

Variations

Cheaper, tighter, alternate lines

There is no clean 4-card version; every piece is load-bearing — Skullwinder recurs Deflecting Swat, Deflecting Swat redirects the trigger, Felidar Guardian blinks, Soulbright Flamekin banks the mana, and Agrus Kos multiplies all of it. The infinite red mana begs for a sink like Crackle with Power or Finale of Glory already in hand before the loop starts, since the combo itself does not close the game without one.