Marath, Will of the Wild, Pir, Imaginative Rascal, and Cryptic Trilobite

Prerequisites

• Marath, Will of the Wild on the battlefield
• Pir, Imaginative Rascal on the battlefield
• Cryptic Trilobite on the battlefield
• Marath has at least two +1/+1 counters on it
• available

Steps

1. Activate Marath by paying and removing a +1/+1 counter from it, giving itself two +1/+1 counters
2. Activate Marath by paying and removing a +1/+1 counter from it, giving Cryptic Trilobite two +1/+1 counters
3. Activate Cryptic Trilobite's first ability by removing a +1/+1 counter from it, adding that can only be spent to activate abilities
4. Repeat for infinite +1/+1 counters on Cryptic Trilobite
5. Activate Cryptic Trilobite's first ability by removing a +1/+1 counter from it, adding that can only be spent to activate abilities
6. Activate Marath's ability by paying and removing a +1/+1 counter from it, giving itself two +1/+1 counters
7. Repeat from step 5 to get infinite that can only be spent to activate abilities and to put infinite +1/+1 counters on Marath, with which you can use to activate Marath's ability infinite times

Results

• Infinite +1/+1 counters
• Infinite colorless mana that can only be used to activate abilities
• Infinite creature tokens
• Infinite damage
• Infinite death triggers
• Infinite ETB
• Infinite LTB