Spellbinder + Said // Done + Temporal Manipulation

Ruthless

Decks

How it works

Spellbinder attached to a creature that can attack this turn, and that cannot be blocked and killed by an opponent.

Cast Temporal Manipulation by paying , causing you to take an extra turn after this one.
Deal combat damage to an opponent using the creature that has Spellbinder attached.
Spellbinder triggers, causing you to cast a copy of Said without paying its mana cost.
Resolve Said, returning Temporal Manipulation from your graveyard to your hand.
Repeat each turn.

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.