Rowan, Scion of War, Storm-Kiln Artist, and Seething Anger

Prerequisites

• Rowan, Scion of War on the battlefield
• Storm-Kiln Artist on the battlefield
• Seething Anger in hand
• available

Steps

1. Activate Rowan by tapping it, reducing the cost of all black and/or red spells you cast this turn by at least
2. Cast Seething Anger with buyback by paying due to Rowan's ability, targeting any creature
3. Storm-Kiln Artist triggers, creating a Treasure artifact token
4. Resolve Seething Anger, giving target creature +3/+0 until end of turn and returning Seething Anger to your hand
5. Activate the Treasure by tapping and sacrificing it, adding
6. Repeat from step 2

Results

• Infinite magecraft triggers
• Infinite storm count
• Infinite power for creatures you control until end of turn