Color Identity: G

Initial Card State
- Tempting Wurm in hand.
- All other permanents on the battlefield.
Notable Prerequisites
- Gwenna does not have summoning sickness.
Steps
- Activate Gwenna by tapping it, adding ({1} magic symbol)
({G} magic symbol)
that can only be spent to cast creature spells or activate abilities of creatures. - Cast Tempting Wurm by paying ({1} magic symbol)
({G} magic symbol)
. - Gwenna triggers, putting a +1/+1 counter on it and untapping it.
- Tempting Wurm enters the battlefield, triggering itself and Cloudstone Curio.
- Resolve the Tempting Wurm trigger, allowing each opponent to put any number of artifact, enchantment, creature and/or land cards from their hand onto the battlefield.
- Resolve the Cloudstone Curio trigger, returning Sheltering Ancient from the battlefield to your hand.
- Activate Gwenna by tapping it, adding ({1} magic symbol)
({G} magic symbol)
that can only be spent to cast creature spells or activate abilities of creatures. - Cast Sheltering Ancient by paying ({1} magic symbol)
({G} magic symbol)
. - Gwenna triggers, putting a +1/+1 counter on it and untapping it.
- Sheltering Ancient enters the battlefield, triggering Cloudstone Curio, returning Tempting Wurm from the battlefield to your hand.
- Repeat.
Results
- Infinite +1/+1 counters on a creature.
- Infinite ETB.
- Infinite LTB.
- Infinite storm count.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).