Evolution Witness + Agatha's Soul Cauldron + Psychic Frog

Prerequisites

• You have at least one permanent card in hand.
• Evolution Witness has at least one +1/+1 counter on it.

Steps

1. 1Activate Evolution Witness using Psychic Frog's first ability by discarding a permanent card, putting a +1/+1 counter on Evolution Witness.
2. 2Evolution Witness triggers, returning the permanent card from your graveyard to your hand.
3. 3Repeat.

Effects

• Infinite +1/+1 counters on a creature
• Infinite self-discard triggers