Invisible Woman, Sue Storm, Tigra, Feline Fury, and Prosperous Innkeeper

Prerequisites

• Invisible Woman, Sue Storm on the battlefield
• Tigra, Feline Fury on the battlefield
• Prosperous Innkeeper on the battlefield

Steps

1. Gain life
2. Tigra triggers, putting a +1/+1 counter on it
3. Invisible Woman triggers, creating a 0/4 Wall creature token
4. When the Wall enters, Prosperous Innkeeper triggers, causing you to gain 1 life Repeat from step 2

Results

• Infinite +1/+1 counters on a creature
• Infinite creature ETB
• Infinite creature tokens
• Infinite lifegain
• Infinite lifegain triggers