Solarion + Agatha's Soul Cauldron + Barrenton Medic

Prerequisites

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Steps

1. 1Activate Solarion by tapping it, doubling the number of +1/+1 counters on it.
2. 2Activate Solarion using Barrenton Medic's second ability by putting a -1/-1 counter on it, untapping Solarion.
3. 3Repeat.

Effects

• Infinite +1/+1 counters on a creature