Agatha's Soul Cauldron + Lurking Roper + Wellwisher

Prerequisites

• Lurking Roper has at least one +1/+1 counter on it and does not have summoning sickness.
• There is at least one Elf on the battlefield.

Steps

1. 1Activate Lurking Roper using Wellwisher's ability by tapping it, causing you to gain at least 1 life.
2. 2Lurking Roper triggers, untapping itself.
3. 3Repeat.

Effects

• Infinite lifegain
• Infinite lifegain triggers