Approach of the Second Sun + Wizards of Thay + Swat Away

How it works

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During the opponent's end step immediately before your turn, cast Approach of the Second Sun by paying using Wizards of Thay.
In response, cast Swat Away by paying its mana cost, putting Approach of the Sun on top of your library.
In your draw step, draw Approach of the Second Sun.
Cast Approach of the Second Sun by paying , winning the game.

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

1–2 · Exhibition & Core

Allowed in this bracket.

3 · Upgraded

Allowed in this bracket.

4–5 · Optimized & cEDH

All combos are allowed.