Demonlord Belzenlok + Selective Memory + Thassa's Oracle

Powerful

Decks

How it works

—

Cast Selective Memory by paying , exiling all nonland cards in your library.
Cast Demonlord Belzenlok by paying .
When Demonlord Belzenlok enters the battlefield, it triggers, exiling the remainder of your library.
Cast Thassa's Oracle by paying .
When Thassa's Oracle enters the battlefield, it triggers, causing you to win the game.

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

1–2 · Exhibition & Core

Spellbook classifies this as Powerful — not for these brackets.

3 · Upgraded

Allowed in this bracket.

4–5 · Optimized & cEDH

All combos are allowed.