Miirym, Sentinel Wyrm | Bladewing the Risen | Pandemonium

Cards

({3} magic symbol) ({B} magic symbol) ({B} magic symbol) ({R} magic symbol) ({R} magic symbol) available.

Cast
Bladewing by paying ({3} magic symbol) ({B} magic symbol) ({B} magic symbol) ({R} magic symbol) ({R} magic symbol) .
When
Bladewing enters the battlefield, it,
Pandemonium and
Miirym trigger.
Resolve the
Bladewing trigger, returning any Dragon from your graveyard to the battlefield.
Resolve the
Pandemonium, dealing 4 damage to
Bladewing.
Bladewing dies as a state-based action due to having 0 toughness.
Resolve the
Miirym trigger, creating a nonlegendary token copy of
Bladewing.
When the
Bladewing token enters the battlefield, it and
Pandemonium trigger.
Resolve the
Pandemonium trigger, dealing damage to any target.
Resolve the
Bladewing token's trigger, returning
Bladewing from your graveyard to the battlefield.
Repeat from step 2.