Agrus Kos, Eternal Soldier + Soulbright Flamekin + Deflecting Swat + Felidar Guardian + Salvager of Secrets

5-card combo · URW

Verdict

Yes — this 5-card loop generates infinite ETBs, infinite red mana, and infinite storm count in a Jeskai blink shell built around Agrus Kos, Eternal Soldier.

Cards required: 5
Cheapest stack total: $70.81
Color identity: URW
Popularity: 0 decks
Format: Commander

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Agrus Kos copies activated abilities and triggered abilities targeting him, which turns Soulbright Flamekin's trample pump into an eight-mana refund and Felidar Guardian's ETB into a mass blink engine. Salvager of Secrets is the glue — every loop it re-enters to return Deflecting Swat, which redirects a leftover Felidar Guardian trigger back onto Agrus Kos to restart the chain. The five-piece assembly is tight enough to advertise what it's doing, but the payoff is a full loop every iteration.

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 Salvager of Secrets, blinking Soulbright Flamekin and Salvager of Secrets.
When Salvager of Secrets enters the battlefield, it triggers, returning Deflecting Swat from your graveyard to your hand.
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

Variations

Cheaper, tighter, alternate lines

The combo needs a mana sink to actually win — Purphoros, God of the Forge or Impact Tremors converts the infinite ETBs into lethal damage immediately. Removing Deflecting Swat leaves no way to repoint the Felidar Guardian triggers, so any counterspell or hand disruption that strips it mid-loop collapses the engine; Boros Charm protecting the board doesn't help here because the problem is the spell itself being absent.