Yavimaya Bloomsage // Channel, Aetherflux Reservoir, and Sprout Swarm

Prerequisites

• Yavimaya Bloomsage // Channel on the battlefield
• Aetherflux Reservoir on the battlefield
• Sprout Swarm in hand
• plus an additional if you don't control an untapped green creature available

Steps

1. Cast a copy of Channel by paying
2. Activate the ability granted by Channel four times by paying 4 life, adding
3. Cast Sprout Swarm with buyback by paying and either tapping a green creature if you're able or paying an additional
4. Aetherflux Reservoir triggers, causing you to gain 1 life for each spell you've cast this turn
5. Resolve Sprout Swarm, creating a 1/1 Saproling creature token and returning Sprout Swarm to your hand
6. Repeat from step 2

Results

• Infinite ETB
• Infinite colorless mana
• Infinite damage
• Infinite lifegain
• Infinite magecraft triggers
• Infinite storm count
• Infinite tapped creature tokens