Grub, Storied Matriarch // Grub, Notorious Auntie, Glasspool Mimic // Glasspool Shore, Agatha's Soul Cauldron, and Civilized Scholar // Homicidal Brute

Prerequisites

• Grub, Storied Matriarch // Grub, Notorious Auntie on the battlefield
• Glasspool Mimic // Glasspool Shore in hand
• Agatha's Soul Cauldron on the battlefield
• Civilized Scholar // Homicidal Brute in the graveyard
• available

Steps

1. Cast Glasspool Mimic by paying
2. Choose to have it enter as a copy of Grub, Storied Matriarch
3. Put Grub, Storied Matriach into your graveyard due to the legend rule
4. When Glasspool Mimic enters, it triggers, returning Grub, Storied Matriarch from your graveyard to your hand
5. Activate Agatha's Soul Cauldron by tapping it and exiling Civilized Scholar from your graveyard, putting a +1/+1 counter on Glasspool Mimic
6. Activate Glasspool Mimic using Civilized Scholar's ability by tapping it, causing you to draw a card and discard Grub, Storied Matriarch
7. Glasspool Mimic will then untap itself and transform, but it will transform again into Grub, Storied Matriarch
8. Glasspool Mimic triggers, returning Grub, Storied Matriarch from your graveyard to your hand
9. Repeat from step 5

Results

• Infinite card draw
• Infinite draw triggers
• Infinite self-discard triggers