Astral Dragon | Swift Reconfiguration | Lithoform Engine

Cards

Lithoform Engine on the battlefield.
Astral Dragon and
Swift Reconfiguration in hand.
({8} magic symbol) ({W} magic symbol) ({U} magic symbol) ({U} magic symbol) available.

Cast
Astral Dragon by paying ({6} magic symbol) ({U} magic symbol) ({U} magic symbol) .
When
Astral Dragon enters the battlefield, its ability triggers.
Holding priority, cast
Swift Reconfiguration by paying ({W} magic symbol) , attaching it to
Astral Dragon and causing
Astral Dragon to become a Vehicle artifact with no other card types.
Activate
Lithoform Engine's first ability by paying ({2} magic symbol) and tapping it, copying
Astral Dragon's trigger from step 2, targeting
Astral Dragon.
Resolve the copy of
Astral Dragon's ability, creating two token copies of
Astral Dragon that are 3/3 Dragons in addition to their other types.
When the
Astral Dragon tokens enter the battlefield, their abilities trigger, targeting the nontoken
Astral Dragon.
Resolve the first
Astral Dragon token's trigger, creating two token copies of
Astral Dragon that are 3/3 Dragons in addition to their other types.
Repeat from step 6.