Mana Echoes, Recruit the Worthy, and Skyshroud Elf

Prerequisites

• Mana Echoes on the battlefield
• Recruit the Worthy in hand
• Skyshroud Elf on the battlefield
• You control at least three Soldiers
• available

Steps

1. Cast Recruit the Worthy with buyback by paying , creating a 1/1 Soldier creature token and returning Recruit the Worthy to your hand
2. When the Soldier enters the battlefield, Mana Echoes triggers, adding for each Soldier you control
3. Activate Skyshroud Elf's second ability by paying , adding
4. Repeat

Results

• Infinite colorless mana
• Infinite creature tokens
• Infinite ETB
• Infinite magecraft triggers
• Infinite red mana
• Infinite storm count
• Infinite white mana