Changeling Hero | Dual Nature

Cards

Cast
Changeling Hero by paying ({4} magic symbol) ({W} magic symbol) .
When
Changeling Hero enters the battlefield, its champion ability and
Dual Nature's first ability trigger.
Resolve the
Dual Nature trigger, creating a token copy of
Changeling Hero.
When the
Changeling Hero token enters the battlefield, its champion ability triggers, exiling the nontoken
Changeling Hero.
Dual Nature's second ability triggers, exiling the
Changeling Hero token.
When the
Changeling Hero token leaves the battlefield, the nontoken
Changeling Hero is returned to the battlefield from exile.
Repeat from step 2.
If you control additional creatures you wish to blink, you may resolve the
Changeling Hero trigger in step 2 to exile them, and then proceed with the combo.