Apex Altisaur, and Outmuscle

Prerequisites

• Apex Altisaur on the battlefield
• Outmuscle in hand
• available

Steps

1. Cast Outmuscle by paying , causing Apex Alitsaur to gain indestructible until end of turn, putting a +1/+1 counter on it and then 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