Mary Read and Anne Bonny, Gilded Assault Cart, Skirge Familiar, and Kaya, Geist Hunter

Prerequisites

• Mary Read and Anne Bonny on the battlefield
• Gilded Assault Cart in hand
• Skirge Familiar on the battlefield
• Kaya, Geist Hunter on the battlefield
• Kaya has at least two loyalty counters on it

Steps

1. Activate Kaya's second loyalty ability by removing two loyalty counters from it, causing you to double any tokens you create this turn
2. Activate Skirge Familiar by discarding Gilded Assault Cart, adding
3. Mary Read and Anne Bonny triggers, creating two tapped Treasure tokens
4. Activate Gilded Assault Cart by sacrificing two Treasures, returning Gilded Assault Cart from your graveyard to your hand
5. Repeat from step 2

Results

• Infinite self-discard triggers
• Infinite black mana