Marath, Will of the Wild, Mana Echoes, and Hardened Scales

Prerequisites

• Marath, Will of the Wild on the battlefield
• Mana Echoes on the battlefield
• Hardened Scales on the battlefield
• Marath has at least three +1/+1 counters on it
• available

Steps

1. Activate Marath by paying and removing a +1/+1 counter from it, creating a 1/1 Elemental creture token
2. The Elemental enters the battlefield, triggering Mana Echoes, adding for each Elemental you control
3. Activate Marath by paying and removing a +1/+1 counter from it, putting two +1/+1 counters on it
4. Repeat
5. Once you have infinite , you may repeat step 3 to give Marath infinite +1/+1 counters, then use them to deal infinite damage to any target(s)

Results

• Infinite +1/+1 counters
• Infinite colorless mana
• Infinite creature tokens
• Infinite damage
• Infinite ETB