Changeling Hero + Karmic Guide + Reaper of Flight Moonsilver

Changeling Hero

Karmic Guide

Reaper of Flight Moonsilver

How it works

1. Cast Changeling Hero by paying 4.
2. Changeling Hero enters the battlefield, championing Karmic Guide.
3. Activate Reaper of Flight Moonsilver by sacrificing Changeling Hero
4. Changeling Hero dies, causing Karmic Guide to return to the battlefield from exile.
5. Karmic Guide enters the battlefield, returning Changeling Hero from your graveyard to the battlefield.
6. Resolve the Reaper of Flight Moonsilver ability.
7. Repeat from step 2.