Carrion Feeder, Pitiless Plunderer, Slimefoot and Squee, and Sprouting Thrinax

Prerequisites

• Carrion Feeder on the battlefield
• Pitiless Plunderer on the battlefield
• Slimefoot and Squee on the battlefield
• Sprouting Thrinax on the battlefield

Steps

1. Activate Carrion Feeder twice by sacrificing Sporuting Thrinax and Slimefoot and Squee
2. When Slimefoot and Squee and Sprouting Thrinax die, Pitiless Plunderer triggers twice and Sprouting Thrinax triggers once
3. Resolve the Pitiless Plunderer triggers, creating two Treasure artifact tokens
4. Resolve the Sprouting Thrinax trigger, creating three 1/1 Saproling creature tokens
5. Activate Carrion Feeder twice by sacrificing two Saprolings
6. When the Saprolings die, Pitiless Plunderer triggers twice, creating two Treasure artifact tokens
7. Resolve the Carrion Feeder abilities from steps 1 and 5, putting four +1/+1 counters on it
8. Activate the Treasures by tapping and sacrificing them, adding
9. Activate Slimefoot and Squee by paying and sacrificing a Saproling
10. When the Saproling dies, Pitiless Plunderer triggers, creating a Treasure artifact token
11. Resolve the Slimefoot and Squee ability, returning it and another creature from your graveyard to the battlefield
12. When Slimefoot and Squee enter the battlefield, it triggers, creating a 1/1 Saproling creature token
13. Repeat

Results

• Infinite +1/+1 counters on Carrion Feeder
• Infinite colored mana
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite Treasure tokens