Agatha's Soul Cauldron + Lurking Roper + Temple Elder

Prerequisites

• Lurking Roper has at least one +1/+1 counter on it and does not have summoning sickness.
• It is your precombat main phase.

Steps

1. 1During your precombat main phase, activate Lurking Roper using Temple Elder's ability by tapping it, causing you to gain 1 life.
2. 2Lurking Roper triggers, untapping itself.
3. 3Repeat.

Effects

• Infinite lifegain
• Infinite lifegain triggers