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

Marath, Will of the Wild

Pir, Imaginative Rascal

Cryptic Trilobite

How it works

1. Activate Marath by paying 1 and removing a +1/+1 counter from it, giving itself two +1/+1 counters.
2. Activate Marath by paying 1 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 CC 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 CC that can only be spent to activate abilities.
6. Activate Marath's ability by paying 1 and removing a +1/+1 counter from it, giving itself two +1/+1 counters.
7. Repeat from step 5 to get infinite C 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.