Repeat from step 2 any number of times, creating an additional
Astral Dragon trigger on the stack each loop.
Once you have infinite
Astral Dragon triggers, resolve them all, creating infinite copies of all noncreature permanents that are 3/3 Dragon creatures in addition to their other types.
You may also target
Machine God's Effigy any number of times to create infinite noncreature artifact copies of all creatures.
Results
Infinite blue mana.
Infinite creature token copies of all noncreature permanents.
Infinite creature tokens.
Infinite ETB.
Infinite noncreature artifact token copies of all creatures.