Wasn't sure if anyone had posted this during spoiler season. I so I guess I'm behind.
{exquisite blood} and {vizkopa guildmage} trigger second ability. Extort something or ping them for game.
I use that in my Orzhov deck, it's hard to pull off as soon as either card is played your opponent will be expecting it
Yea if I was playing against you I would see that coming but sometimes people don't see it coming and for that matter have a way to stop it !
its so easy to stop,
remove spell/ burn spell
Destroy enchntment spell
stop life gain enctantments
Counter spells,