Adrix and Nev, Twincasters, Lullmage Mentor, Doubling Season, and Parallel Lives

Prerequisites

• Adrix and Nev, Twincasters on the battlefield
• Lullmage Mentor on the battlefield
• Doubling Season on the battlefield
• Parallel Lives on the battlefield
• You control at least seven untapped Merfolk

Steps

1. Whenever an opponent casts a spell, activate Lullmage Mentor by tapping seven untapped Merfolk, countering that spell
2. Lullmage Mentor triggers, creating a total of eight 1/1 Merfolk creature tokens
3. Repeat

Results

• Counter all spells opponents cast
• Near-infinite ETB
• Near-infinite tapped creature tokens