Gogo, Master of Mimicry + Vhal, Candlekeep Researcher + Ioreth of the Healing House

Prerequisites

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Steps

1. 1Activate Ioreth of the Healing House by tapping it, targeting Gogo.
2. 2Holding priority, activate Vhal by tapping it, adding at least that cannot be spent to cast spells from your hand.
3. 3Activate Gogo by paying and tapping it, copying the Ioreth of the Healing House ability, targeting Gogo and Vhal.
4. 4Resolve both copies of the Ioreth of the Healing House abilities, untapping Gogo and Vhal.
5. 5Repeat from step 2.

Effects

• Infinite colorless mana that can't be spent to cast spells from your hand
• Infinite mana permanents you control can produce