Kiki-Jiki, Mirror Breaker, Blazing Firesinger // Seething Song, Hematite Talisman, and Runaway Steam-Kin

Prerequisites

• Kiki-Jiki, Mirror Breaker on the battlefield
• Blazing Firesinger // Seething Song on the battlefield
• Hematite Talisman on the battlefield
• Runaway Steam-Kin on the battlefield
• plus an amount of mana available equal to minus the number of +1/+1 counters on Runaway Steam-Kin available

Steps

1. If Runaway Steam-Kin has three or more +1/+1 counters on it, activate it by removing three +1/+1 counters from it, adding
2. Activate Kiki-Jiki by tapping it, copying Blazing Firesinger
3. It'll enter prepared due to its effect
4. Cast a copy of Seething Song by paying Runaway Steam-Kin and Hematite Talisman trigger
5. Resolve the Runaway Steam-Kin trigger, putting a +1/+1 counter on it
6. Holding priority, if Runaway Steam-Kin has three or more +1/+1 counters on it, activate it by removing three +1/+1 counters from it, adding
7. Resolve the Hematite Talisman trigger, causing you to pay to untap Kiki-Jiki
8. Resolve Seething Song, adding
9. Repeat from step 2

Results

• Infinite ETB
• Infinite LTB
• Infinite creature tokens with haste
• Infinite death triggers
• Infinite magecraft triggers
• Infinite sacrifice triggers
• Infinite storm count