Arcane Bombardment + Time Warp + Whim of Volrath

Ruthless

Decks

How it works

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Cast Whim of Volrath with buyback by paying .
Arcane Bombardment triggers, exiling an instant or sorcery at random from your graveyard, and casting a copy of Time Warp without paying its mana cost.
Resolve Time Warp, causing you to take an extra turn after this one.
Resolve Whim of Volrath, returning Whim of Volrath 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.