Animar, Soul of Elements, Birgi, God of Storytelling // Harnfel, Horn of Bounty, Tangleroot, and Shivan Wurm

Prerequisites

• Animar, Soul of Elements on the battlefield
• Birgi, God of Storytelling // Harnfel, Horn of Bounty on the battlefield
• Tangleroot on the battlefield
• Shivan Wurm in hand
• Animar has at least three +1/+1 counters on it
• available

Steps

1. Cast Shivan Wurm by paying
2. Birgi, Animar and Tangleroot trigger
3. Resolve the Tangleroot and Birgi triggers, adding
4. Resolve the Animar trigger, putting a +1/+1 counter on it
5. When Shivan Wurm enters the battlefield, it triggers, returning itself from the battlefield to your hand
6. Repeat

Results

• Infinite +1/+1 counters on Animar
• Infinite ETB
• Infinite LTB
• Infinite storm count