Revolutionist, Twinflame, Catalyst Elemental, and Reverberate

Prerequisites

• Revolutionist on the battlefield
• Twinflame in hand
• Catalyst Elemental on the battlefield
• Reverberate in hand
• available

Steps

1. Cast Twinflame with Strive by paying , targeting Revolutionist and Catalyst Elemental
2. Holding priority, cast Reverberate by paying , creating a copy of Twinflame
3. Resolve the Twinflame copy, creating a token copy of Revolutionist and Catalyst Elemental
4. Revolutionist enters the battlefield triggers, returning Reverberate from your graveyard to hand
5. Holding priority, activate Catalyst Elemental by sacrificing it, adding
6. Repeat from step 2

Results

• Infinite creature tokens
• Infinite ETB
• Infinite magecraft triggers
• Infinite sacrifice triggers
• Infinite storm count