Infuse with Vitality + Naru Meha, Master Wizard + Bloodflow Connoisseur

How it works

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Cast Infuse with Vitality by paying its mana cost.
Holding priority, cast Naru Meha by paying its mana cost.
When Naru Meha enters, it triggers, copying Infuse with Vitality, with the copy targeting Naru Meha.
Resolve the copy of Infuse with Vitality.
Holding priority, activate Bloodflow Connoisseur by sacrificing Naru Meha.
When Naru Meha dies, it triggers, returning it from your graveyard to the battlefield.
Repeat from step 3.
Resolve all Bloodflow Connoisseur abilities from step 5.

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

1–2 · Exhibition & Core

Spellbook classifies this as Spicy — not for these brackets.

3 · Upgraded

Allowed in this bracket.

4–5 · Optimized & cEDH

All combos are allowed.