Apocalypse + Barren Glory + Borne Upon a Wind

Ruthless

Decks

How it works

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During the end step before your turn, cast Borne Upon a Wind by paying , allowing you to cast spells this turn as though they had flash.
Cast Barren Glory by paying .
Holding priority, cast Apocalypse by paying , exiling all permanents and causing you to discard your hand.
Resolve Barren Glory.
At the beginning of your upkeep, Barren Glory triggers, causing you to win the game.

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.