Requires

Revolutionist must be on the battlefield. Twinflame must be in hand. Catalyst Elemental must be on the battlefield. Increasing Vengeance must be in hand. Mana needed:

Steps

1. Cast Twinflame with Strive by paying , targeting Revolutionist and Catalyst Elemental.
2. Holding priority, cast Increasing Vengeance 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 Increasing Vengeance from your graveyard to hand.
5. Holding priority, activate Catalyst Elemental by sacrificing it, adding .
6. Repeat from step 2.

Results