Outrider en-Kor, Task Force, and Garruk, Apex Predator

Prerequisites

• Outrider en-Kor on the battlefield
• Task Force on the battlefield
• Garruk, Apex Predator on the battlefield
• Garruk, Apex Predator must have at least 3 loyalty

Steps

1. Pay to activate Outrider en-Kor, targeting Task Force
2. Task Force triggers, giving itself +0/+3 untill end of turn
3. Repeat steps 1-2 untill Task Force has infinite toughness
4. Activate Garruk's -3 ability destroying Task Force, gaining life equal to its toughness

Results

• Infinite lifegain