Im thinking of a extend tooth and nail for the next PTQ need help/suggestions

Here is a deck list Iv'e proxied and it wins turn 3-4ish:

4x Sakura-Tribe Elder                                                          Sideboard:
4x Birds of Paradise
1x Akroma, Angel of Wrath                                                  4x Pyroclasm
1x Hellkite Overlord                                                             3x Eternal Witness
1x Magister Sphinx                                                              4x Leyline of Singularity
1x Progenitus                                                                     4x Pyrostatic Pillar
4x Tooth and Nail
3x Ponder
4x Wrath of God
3x Kodama's Reach
3x Path to Exile
3x Cancel
4x Mana Leak
4x Heartbeat of Spring

2x Plains
3x Island
3x Forest
4x Gemstone Mine
4x Forbidden Orchard
4x Breeding Pool