Veyran, Voice of Duality, Birgi, God of Storytelling // Harnfel, Horn of Bounty, Storm-Kiln Artist, and Mystic Speculation

Prerequisites

• Veyran, Voice of Duality on the battlefield
• Birgi, God of Storytelling // Harnfel, Horn of Bounty on the battlefield
• Storm-Kiln Artist on the battlefield
• Mystic Speculation in hand
• available

Steps

1. Cast Clockspinning with buyback by paying
2. Storm-Kiln Artist, Veyran and Birgi trigger twice each
3. Resolve both Birgi triggers, adding
4. Resolve both Storm-Kiln Artist triggers, creating two Treasure artifact tokens
5. Resolve both Veyran triggers, giving it +2/+2 until end of turn
6. Resolve Mystic Speculation, causing you to scry 3 and return it to your hand
7. Activate a Treasure by tapping and sacrificing it, adding
8. Repeat

Results

• Infinite colored mana
• Infinitely large Veyran until end of turn
• Infinitely powerful Storm-Kiln Artist
• Infinite magecraft triggers
• Infinite scry 3
• Infinite storm count
• Infinite Treasure tokens