Karn, the Great Creator + Aetherflux Reservoir

Prerequisites

• You have a way to give Aetherflux Reservoir lifelink.
• Your life total is at least 51.

Steps

1. 1Activate Karn's first loyalty ability by putting a loyalty counter on it, causing Aetherflux Reservoir to become an artifact creature until end of turn.
2. 2Give Aetherflux Reservoir lifelink.
3. 3Activate Aetherflux Reservoir by paying 50 life, dealing 50 damage to any target and causing you to gain 50 life.
4. 4Repeat step 3.

Effects

• Infinite damage
• Infinite lifegain triggers