While Preacher of the Schism is a tasty vampire morsel all on its own, the price spike seems to be driven by its increasing inclusion in a range of MTG Arena decks
Given how much fun SOI Limited has been, were expecting good things, with the early/late split of many of the cards in EMN helping to make a format thats full of choices without being paralysingly complex
Currently, under rule 702.62b, they wouldnt, since they need to fulfil three requisites: being in exile, have time counters on it, and have suspend, which Alaundos ability doesnt reference
Either you bait an immediate answer for a mere three mana or you get to trade up nicely or you get to win
It doesn't matter if Screaming Nemesis remains on the battlefield or not
Once you have a Regent or two on the battlefield, it wont take long until you win