Emry, Lurker of the Loch, Jeskai Ascendancy, Barrage Ogre, and Mana Crypt

Prerequisites

• Emry, Lurker of the Loch on the battlefield
• Jeskai Ascendancy on the battlefield
• Barrage Ogre on the battlefield
• Mana Crypt on the battlefield
• Emry and Barrage Ogre do not have summoning sickness

Steps

1. Tap Barrage Ogre, sacrificing Mana Crypt to deal 2 damage to any target
2. Tap Emry, targeting Mana Crypt
3. Cast Mana Crypt
4. Jeskai Ascendancy triggers, allowing you to loot
5. Jeskai Ascendancy triggers, untapping all creatures you control and giving them +1/+1 until end of turn
6. Repeat

Results

• Infinite colorless mana
• Infinite damage
• Infinite looting
• Infinitely large creatures until end of turn
• Infinite storm count
• Infinite untap