I really like Tormenting Voice better than Dangerous Wager. Mainly because after boarding you sometimes want to have certain cards like Thoughtseize or Nature's Claim still in hand. But the longer I think about it, Dangerous Wager can be pretty sweet! I will probably give it a go with +3 Lands and +4 Dangerous Wager on thursaday!
MTGO/MTGA: Tyclone
My Primers ~ GWx Vizier Company ~ Knightfall ~ RG Eldrazi ~ Green's Sun's Zenith
More Brews ~ Modern Four Horsemen ~ Gitrog Dredge