Archon of Falling Stars | Gift of Immortality | Heroism

Cards

Sacrifice
Archon of Falling Stars to
Heroism.
Archon of Falling Stars dying triggers its death effect and
Gift of Immortality.
Place
Archon of Falling Stars' trigger onto the stack under the
Gift of Immortality trigger targeting
Gift of Immortality.
Resolve the
Gift of Immortality trigger returning
Archon of Falling Stars to the battlefield.
Then resolve
Archon of Falling Stars' trigger, returning
Gift of Immortality to the battlefield.
When it returns, attach it to
Archon of Falling Stars.
Repeat all previous steps for an infinite loop.