If you don't believe me, try it for yourself. Abzan Greasefang will give you the smoothest wins in Explorer and why not, in pioneer too.
0:00 Intro Decktech
1:18 1st Match vs Azorius Control
14:12 2nd Match vs Rakdos Midrange
27:41 3rd Match vs 5 Color Yorion
32:37 4th Match vs Mono Red Aggro
46:57 5th Match vs Mono Blue Spirits
1:08:26 6th Match vs Mono Black Control
1:27:10 Conclusion
DECKLIST -
Maindeck:
4 Thoughtseize
2 Collective Brutality
4 Greasefang, Okiba Boss
4 Raffine's Informant
2 Traverse the Ulvenwald
2 Can't Stay Away
3 Vessel of Nascency
4 Witherbloom Command
4 Grisly Salvage
4 Esika's Chariot
4 Parhelion II
2 Skysovereign, Consul Flagship
2 Mana Confluence
3 Blooming Marsh
3 Concealed Courtyard
2 Darkbore Pathway
1 Godless Shrine
2 Overgrown Tomb
1 Swamp
1 Takenuma, Abandoned Mire
3 Temple Garden
1 Boseiju, Who Endures
2 Razorverge Thicket
Sideboard:
3 Fatal Push
1 Ray of Enfeeblement
1 Duress
1 Cling to Dust
1 Liliana of the Veil
2 Graveyard Trespasser
1 Sheoldred, the Apocalypse
2 Assassin's Trophy
2 Tear Asunder
1 Tireless Tracker