It trades life for cards through effects like Necropotence , Ad Nauseam , and Griselbrand , allowing massive card advantage when life totals are managed carefully
16 hinting at some of the cards
If an opponent has been setting up for a powerful turn, but you rip the cards right out of their hand, theyll have nothing to do on their turn, putting them behind several turns
Spectral Sailor is your best one-drop, and probably would be even if it was just a textless 1/1 flyer with flash, but its card draw ability is dramatically more relevant than you might realise at first, as it helps you pull ahead in card advantage in the games where your Curiosity-effect engine is broken apart
That ability unlocks combos with +1/+1 counters and extra combat spells, especially in go-big aggro strategies