Alena, Kessig Trapper, and Singing Bell Strike

Prerequisites

• Alena, Kessig Trapper on the battlefield
• Singing Bell Strike on the battlefield
• Singing Bell Strike attached to Alena
• Alena is untapped and does not have summoning sickness
• You have had a creature with power seven or greater enter the battlefield under your control this turn

Steps

1. Activate Alena by tapping it, adding at least seven
2. Activate Alena by paying , untapping it
3. Repeat

Results

• Infinite red mana