Francisco, Fowl Marauder + Walking Ballista + Agatha's Soul Cauldron

Prerequisites

• You have a nonland card on top of your library.
• Francisco has at least one +1/+1 counter on it.

Steps

1. 1Activate Francisco using Walking Ballista's second ability by removing a +1/+1 counter on it, dealing 1 damage to an opponent.
2. 2Francisco triggers, causing you to reveal the top card of your library, put a +1/+1 counter on Francisco and put the card back on top of your library.
3. 3Repeat.

Effects

• Infinite damage