Pippin, Warden of Isengard, Krark-Clan Ironworks, Umbral Mantle, and Academy Manufactor

Prerequisites

• Pippin, Warden of Isengard on the battlefield
• Krark-Clan Ironworks on the battlefield
• Umbral Mantle on the battlefield
• Academy Manufactor on the battlefield
• Pippin does not have summoning sickness
• Umbral Mantle attached to Pippin
• available

Steps

1. Activate Pippin's first ability by paying and tapping it, creating two Food, two Clue and two Treasure artifact tokens
2. Activate Krark-Clan Ironworks twice by sacrificing two of the tokens, adding
3. Activate Pippin by paying and untapping it, giving it +2/+2 until end of turn
4. Repeat

Results

• Infinite card draw
• Infinite Clue tokens
• Infinite colored mana
• Infinite colorless mana
• Infinite draw triggers
• Infinite Food tokens
• Infinite lifegain
• Infinite lifegain triggers
• Infinitely large Pippin until end of turn
• Infinite Treasure tokens