Aetherflux Reservoir, and Toymaker

Prerequisites

• Aetherflux Reservoir on the battlefield
• Toymaker on the battlefield
• You have a way to give Aetherflux Reservoir lifelink
• Your life total is at least 51
• You have at least one card in hand
• Toymaker does not have summoning sickness
• available

Steps

1. Activate Toymaker by paying , tapping it and discarding a card, causing Aetherflux Reservoir to become an artifact creature until end of turn
2. Give Aetherflux Reservoir lifelink
3. Activate Aetherflux Reservoir by paying 50 life, dealing 50 damage to any target and causing you to gain 50 life
4. Repeat step 3

Results

• Infinite damage
• Infinite lifegain triggers