Turn 1
Forest
Tap
Llanowar elves
Tap
Wild growth
Turn 2
Forest
Tap
Voyaging satyr
Untap forest
Wrens run vanquisher
Reveal elvish archdruid
Tap forest and llanowar
Play elvish archdruid
Turn 3
Forest
Hydra Broodmaster
Turn 4
Forest
Monstrosity hydra Broodmaster for 12
Get 12 12/12 hydra tokens and a 19/19 hydra Broodmaster
Turn 5
Dunno......
Then attack for 170?
yea you need {concordant crossroads} or something to give it all haste otherwise none of these creatures can tap for mana yet.