Emry, Lurker of the Loch, Displacer Kitten, Pestermite, and Lion's Eye Diamond

Prerequisites

• Emry, Lurker of the Loch on the battlefield
• Displacer Kitten on the battlefield
• Pestermite on the battlefield
• Lion's Eye Diamond in the graveyard

Steps

1. Activate Emry by tapping it, targeting Lion's Eye Diamond
2. Cast Lion's Eye Diamond from your graveyard by paying
3. Displacer Kitten triggers, blinking Pestermite
4. When Pestermite enters, it triggers, untapping Emry
5. Activate Lion's Eye Diamond by discarding your hand and sacrificing it
6. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite colored mana
• Infinite storm count