Sydri, Galvanic Genius, and Aetherflux Reservoir

Prerequisites

• Sydri, Galvanic Genius on the battlefield
• Aetherflux Reservoir on the battlefield
• You have at least 51 life
• available

Steps

1. Activate Sydri's first ability by paying , causing Aether Reservor to become a creature
2. Activate Sydri's second ability by paying , granting Aetherflux Reservoir lifelink and deathtouch
3. Activate Aetherflux Reservoir, dealing 50 damage to a target of your choice and gaining 50 life
4. Repeat from step 3

Results

• Infinite damage