Initial Card State
- Thranduil on the battlefield (without summoning sickness).
- Devoted Druid and Tromell in your graveyard.
Notable Prerequisites
- You've had three or more nontoken creatures enter under your control this turn.
Steps
- Activate Thranduil using Tromell's ability by tapping it, putting a +1/+1 counter on Thranduil for each nontoken creature that entered under your control this turn.
- Activate Thranduil using Devoted Druid's second ability by putting a -1/-1 counter on it, untapping it.
- Activate Thranduil using Devoted Druid's first ability by tapping it, adding ({G} magic symbol)
. - Activate Thranduil using Devoted Druid's second ability by putting a -1/-1 counter on it, untapping it.
- Repeat.
Notes
- Once Thranduil has infinite counters, you can use Devoted Druid's first ability instead in step 1.
Results
- Infinite +1/+1 counters on a creature.
- Infinite green mana.
- Infinite proliferate.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).