Living Plane, Intruder Alarm, and Phelddagrif

Prerequisites

• Living Plane on the battlefield
• Intruder Alarm on the battlefield
• Phelddagrif on the battlefield
• Enough lands to produce at least

Steps

1. Activate Phelddagrif's ability to give an opponent a 1/1 hippo token
2. Intruder alarm untaps all lands
3. Tap your lands for mana, producing at least
4. Repeat

Results

• Infinite colored mana
• Infinite colored mana for opponents
• Infinite creature tokens for opponents
• Infinite untap