Isochron Scepter + Noxious Revival + Capture of Jingzhou

Ruthless

337

Decks

How it works

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Cast Capture of Jingzhou by paying , taking an extra turn after this one.
Activate Isochron Scepter by paying , casting a copy of Noxious Revival without paying its mana cost.
Resolve the Noxious Revival, returning Capture of Jingzhou from your graveyard to your hand.
Move to your next turn.
Repeat.

In which brackets is this combo allowed, per Spellbook's Ruthless tier?

1–2 · Exhibition & Core

Spellbook classifies this as Ruthless — not for these brackets.

3 · Upgraded

Spellbook classifies this as Ruthless — not for these brackets.

4–5 · Optimized & cEDH

All combos are allowed.