Pheres-Band Tromper, Sinking Feeling, Nyxbloom Ancient, and Elven Chorus

Prerequisites

• Pheres-Band Tromper on the battlefield
• Sinking Feeling on the battlefield
• Nyxbloom Ancient on the battlefield
• Elven Chorus on the battlefield
• Pheres-Band Tromper does not have summoning sickness

Steps

1. Activate Pheres-Band Tromper by tapping it, adding three mana of any color
2. Activate Pheres-Band Tromper by paying and putting a -1/-1 counter on it, untapping it
3. Pheres-Band Tromper triggers, putting a +1/+1 counter on it
4. Repeat

Results

• Infinite colored mana