Inverter of Truth + Thassa's Oracle + Elixir of Immortality

Powerful

Decks

How it works

—

Activate Elixir of Immortality by paying and tapping it, causing you to gain five life and shuffle Elixir of Immortality and your graveyard into your library.
Cast Inverter of Truth by paying .
Inverter of Truth enters the battlefield, exiling your library face down.
Cast Thassa's Oracle by paying .
Thassa's Oracle enters the battlefield, 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.