Marath, Will of the Wild + Cathars' Crusade + Workhorse + Primal Vigor
Marath, Will of the Wild
Cathars' Crusade
Workhorse
Primal Vigor
Requires
Marath, Will of the Wild must be on the battlefield.
Cathars' Crusade must be on the battlefield.
Workhorse must be on the battlefield.
Primal Vigor must be on the battlefield.
Marath has at least two +1/+1 counters on it.
Workhorse has at least one +1/+1 counter on it.
Mana needed: 
Steps
- Activate Marath by paying , creating two 1/1 Elemental tokens.
- Cathars' Crusade triggers twice, putting four +1/+1 counter to all creatures you control.
- Activate Workhorse by removing a +1/+1 counter from it, adding .
- Repeat.
Results
Infinite +1/+1 counters. Infinite colorless mana. Infinite creature tokens. Infinite damage. Infinite death triggers. Infinite ETB. Infinite LTB.
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