Apex Altisaur, and Eldrazi Monument

Prerequisites

• Apex Altisaur on the battlefield
• Eldrazi Monument on the battlefield
• You have a way to deal damage to Apex Altisaur
• available

Steps

1. Deal damage to Apex Altisaur, triggering its enrage ability, causing it to fight an opponent's creature with power one or greater
2. Apex Altisaur is dealt damage by the creature, triggering its enrage ability, causing it to fight an opponent's creature with power one or greater
3. Repeat step 2

Results

• Infinite damage to opposing creatures with power one or greater