Jumbo Cactuar, and Predator's Rapport

Prerequisites

• Jumbo Cactuar on the battlefield
• Predator's Rapport in hand
• available

Steps

1. Declare Jumbo Cactuar as an attacker, triggering its ability, giving it +9999/+0 until end of turn
2. Cast Predator's Rapport by paying , targeting Jumbo Cactuar and causing you to gain 10,007 life

Results

• Near-infinite lifegain