Untap, upkeep, draw, play plains, tap all play anurid brushhopper, attack with insects for 2, done...
Spidey:
In Play: 2xMishra's factory(t, t), 2xMt(t, t), Swamp(T)
Cards in Hand: 2
Graveyard: Stone Rain, Dark Ritual, Contagion, Pillage
Removed from game:
Life: 18??
train:
In Play: Forest(T), Forest(T), Plains(T), 2xInsects(1/1)(T), Anurid Brushhopper
Cards in Hand:4
Graveyard: Forest, Broodhatch, Werebear, Tusker, Plains, Plains, Broodhatch
Removed From Game:
Life: 16