Differences between pb and 'similar' deck

My PB Deck:                                           The 'Similar' deck:
3x Spellcaster                                        1x Dragon
3x Zombies                                            2x Spelcaster
2x Warrior                                            2x Zombie
7x Beast                                              5x Warrior
5x Fiend                                              4x Beast
3x Plants                                             4x Fiend
3x Aqua                                               5x Fairy
1x Reptile                                            2x Insects
4x Rocks                                              1x Reptile
2x Pyro                                               2x Thunder
2x Fairy                                              5x Rocks
1x Thunder                                            3x Pyro
1x insects                                            1x Plant
Raigeki                                               Raigeki
Wasteland                                             Umi
Book of Secret Arts                                   Winged trumpeter

time between savestate and new game in the pb:  4.97s
between savestate and new game in 'similar run': 3.92s