plus an additional if you don't control an untapped green creature available.
Steps
Cast a copy of
Channel by paying .
Activate the ability granted by
Channel four times by paying 4 life, adding .
Cast
Sprout Swarm with buyback by paying and either tapping a green creature if you're able or paying an additional .
Aetherflux Reservoir triggers, causing you to gain 1 life for each spell you've cast this turn.
Resolve
Sprout Swarm, creating a 1/1 Saproling creature token and returning
Sprout Swarm to your hand.
Repeat from step 2.
Notes
The life requirement can be lowered if you've cast spells beforehand this turn and/or if you supply additional mana. After the first loop, you'll want to tap the Saproling to reduce
Sprout Swarm's cost by via its convoke ability.
Results
Infinite creature ETB.
Infinite colorless mana.
Infinite damage.
Infinite lifegain.
Infinite magecraft triggers.
Infinite storm count.
Infinite tapped creature tokens.
Metadata
Bracket tag
ExhibitionBracket 1+
For any deck
1
2
3
4
5
1 · Exhibition5 · cEDH
Bracket tags are estimated from the cards and results of each combo, as a guideline rather than a strict classification.
Plays the loop step by step. Every payment has to leave you at 1 life or more, and Aetherflux Reservoir gains 1 life for each spell cast this turn, the one that triggered it included.
Minimum life to start7with 0 spells already cast this turn
You can go offAetherflux Reservoir can deal its first 50 damage after 8 loops.
40 of 7 life
Net life, first loop
-2
Life goes up from
Loop 4
Loops until Aetherflux Reservoir can fire
8
Your life, starting from 40
200204060
Lowest you can goAetherflux Reservoir can fire
To start: 40 lifeTo start: 40 life0
Before the loop, cast a spell: 40 lifeBefore the loop, cast a spell: 40 life1
Before the loop, gain 1 life: 41 lifeBefore the loop, gain 1 life: 41 life2
and either tapping a green creature if you're able or paying an additional 