Reiterate, Seething Song, Runaway Steam-Kin, and Ruby Medallion

Prerequisites

• Reiterate in hand
• Seething Song in hand
• Runaway Steam-Kin on the battlefield
• Ruby Medallion on the battlefield
• availabe

Steps

1. Cast Seething Song
2. In response, cast Reiterate, targeting Seething Song and paying the buyback cost
3. After Reiterate and the copy of Seething Song resolve, cast Reiterate targeting Seething Song and paying the buyback cost
4. Remove three +1+1 counters from Runaway Steam-Kin to produce
5. Repeat the loop from step 3, removing counters from Runaway Steam-Kin for mana every three iterations

Results

• Infinite magecraft triggers
• Infinite red mana
• Infinite storm count