Emry, Lurker of the Loch, Displacer Kitten, Great Oak Guardian, and Mox Diamond

Prerequisites

• Emry, Lurker of the Loch on the battlefield
• Displacer Kitten on the battlefield
• Great Oak Guardian on the battlefield
• Mox Diamond in the graveyard

Steps

1. Activate Emry by tapping it, targeting Mox Diamond
2. Cast Mox Diamond from your graveyard by paying
3. Displacer Kitten triggers, blinking Great Oak Guardian
4. When Great Oak Guardian enters, it triggers, untapping all creatures you control and giving them +2/+2 until end of turn
5. Choose to sacrifice Mox Diamond instead of having it enter the battlefield
6. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite storm count
• Infinite untap of creatures you control
• Infinite mana creatures you control can produce
• Infinite power and toughness for creatures you control until end of turn