Coretapper + Magistrate's Scepter + Debtors' Knell + Lightning Greaves

4-card combo · WB

Verdict

Yes — this 4-card loop chains Debtors' Knell recursion into infinite extra turns through Magistrate's Scepter.

Cards required

Cheapest stack total

$0.95

Color identity

Popularity

3 decks

Format

Commander

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Each upkeep, Debtors' Knell returns Coretapper from the graveyard; Lightning Greaves equips for free to give it haste, then Coretapper taps for one charge counter and sacrifices itself for two more, loading all three onto Magistrate's Scepter in a single turn. The Scepter cashes out immediately for an extra turn, and the loop resets because Coretapper is back in the graveyard ready for Knell to recur it. The combo demands four specific permanents but requires no mana beyond the initial setup — once all four are in play, the game is locked.

How it works

Prerequisites

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Steps

At the beginning of your upkeep, Debtors' Knell triggers, returning Coretapper from your graveyard to the battlefield.
Activate Lightning Greaves' equip ability by paying , attaching it to Coretapper.
Activate Coretapper's first ability by tapping it, putting a charge counter on Magistrate's Scepter.
Activate Coretapper's second ability by sacrificing it, putting two charge counters on Magistrate's Scepter.
Activate Magistrate's Scepter's second ability by tapping it and removing three charge counters from it, causing you to take an extra turn after this one.
Repeat each turn.

Result

Infinite turns; Lock

Cheaper, tighter, alternate lines

Surge Node and Clockwork Steed can supplement the charge counter loading if Coretapper gets exiled rather than killed, though neither replaces the sacrifice-and-recur efficiency. In lists that already run Heliod, Sun-Crowned or other white recursion engines, swap Debtors' Knell for Sun Titan if Coretapper and Magistrate's Scepter both sit at three mana or less — it cuts the black requirement and the combo to three colors of mana investment.

Coretapper + Magistrate's Scepter + Debtors' Knell + Lightning Greaves

How it works

Cheaper, tighter, alternate lines

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