Bladewing the Risen | Terror of the Peaks | Changeling Berserker

Cards

Cast
Changeling Berserker by paying ({3} magic symbol) ({R} magic symbol) .
When
Changeling Berserker enters the battlefield, it and
Terror of the Peaks trigger.
Resolve the
Changeling Berserker trigger, exiling
Bladewing until
Changeling Berserker leaves the battlefield.
Resolve the
Terror of the Peaks trigger, dealing damage to
Changeling Berserker equal to
Changeling Berserker's power.
Changeling Berserker dies as a state-based action due to having 0 or less toughness.
When
Changeling Berserker dies, it triggers, returning
Bladewing from exile to the battlefield.
When
Bladewing enters the battlefield, it and
Terror of the Peaks trigger.
Resolve the
Terror of the Peaks trigger, dealing damage equal to
Bladewing's power to any target.
Resolve the
Bladewing trigger, returning
Changeling Berserker from your graveyard to the battlefield.
Repeat from step 2.