Molten Echoes + Wren's Run Packmaster

Prerequisites

• "Elf" or "Warrior" chosen with Molten Echoes.

Steps

1. 1Cast Wren's Run Packmaster by paying its mana cost.
2. 2When Wren's Run Packmaster enters the battlefield, its champion ability and Molten Echoes triggers.
3. 3Resolve the Molten Echoes trigger, creating a token copy of Wren's Run Packmaster with haste.
4. 4When the Wren's Run Packmaster token enters the battlefiled, its champion ability triggers, exiling the nontoken Wren's Run Packmaster until the token Wren's Run Packmaster leaves the battlefield.
5. 5Resolve the champion ability from step 2, exiling the token Wren's Run Packmaster.
6. 6The token Wren's Run Packmaster leaves the battlefield, returning the nontoken Wren's Run Packmaster from exile to the battlefield.
7. 7Repeat from step 2.

Effects

• Infinite creature ETB
• Infinite creature LTB