Nether-Go need advice please

E

Ekaquinox

Guest
Blue:
4 Counterspell
4 Accumulated Knowledge
4 Fact or Fiction
2 Power Sink
2 Exclude
2 Dominate
2 Repulse
1 Misdirection
1 Bribery
Black:
3 Nether Spirit
3 Death Pit Offering
1 Snuff Out
1 Yawgmoth's Agenda
1 Vampiric Tutor
Gold:
4 Undermine
4 Recoil
Lands:
10 Islands
5 Swamp
4 Salt Marsh
4 Underground River

This deck does fine against fires and win most of the time against rebels, but when I face B/R decks I just can't win.
Please help.
The sideboard cards against R/B are:
3 Chill
And thats all the rest are anti fires, rebels and control cards.
Any advice would be welcomed.
 
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