Glen Elendra Pranksters + Teferi, Mage of Zhalfir + Memnite + Ornithopter

Prerequisites

• It is an opponent's turn.
• One of the -cost creatures must be in your hand, with the other being on the battlefield.

Steps

1. 1During an opponent's turn, cast the -cost creature in your hand by paying .
2. 2Glen Elendra Pranksters triggers, returning the other -cost creature from the battlefield to your hand.
3. 3Resolve the spell from step 1.
4. 4Repeat.

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite storm count