Elite Arcanist, Brightstone Ritual, Chromatic Orrery, and Pemmin's Aura

Prerequisites

• Elite Arcanist on the battlefield
• Brightstone Ritual in exile
• Chromatic Orrery on the battlefield
• Pemmin's Aura on the battlefield
• Pemmin's Aura attached to Elite Arcanist
• Elite Arcanist does not have summoning sickness
• You control at least two Goblins
• available

Steps

1. Activate Elite Arcanist's ability by paying and tapping it, casting a copy of Brightstone Ritual without paying its mana cost
2. Resolve Brightstone Ritual, adding at least
3. Activate Pemmin's Aura's first ability by paying , untapping Elite Arcanist
4. Repeat
5. If you control three or more Goblins, this combo nets infinite mana

Results

• Infinite colored mana
• Infinite magecraft triggers
• Infinite storm count