Malcolm, Keen-Eyed Navigator + Amoeboid Changeling + HYDRA Assault Robot

Decks

How it works

You have a way to cause an artifact to enter the battlefield under your control.

Activate Amoeboid Changeling by tapping it, causing HYDRA Assault Robot to gain all creature types until end of turn
Cause an artifact to enter the battlefield under your control.
HYDRA Assault Robot triggers, dealing 1 damage to target opponent.
Malcolm triggers, creating a Treasure token
When the Treasure enters, HYDRA Assault Robot triggers, dealing 1 damage to target opponent.
Repeat from step 4.

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.