Dina, Essence Brewer, and Jumbo Cactuar

Prerequisites

• Dina, Essence Brewer on the battlefield
• Jumbo Cactuar on the battlefield
• available

Steps

1. Declare Jumbo Cactuar as an attacker
2. It triggers, giving itself +9999/+0 until end of turn
3. Activate Dina by paying , tapping it and sacrificing Jumbo Cactuar, causing you to gain 10,000 life and put 10,000 +1/+1 counters on a creature you control

Results

• Near-infinite +1/+1 counters on a creature
• Near-infinite lifegain