Junes Standard Bans When one door opens, another closes
The One Ring, after preventing you from taking damage and being targeted for a turn, can quickly bury the opponent in card advantage
You may not be able to literally select which cards are going to the graveyard with each discard spell, but by paying attention to what cards your opponent keeps and what they give up, you can try and time your punches to cut off their decisions and paralyze even the most powerful Constructed decks
Opponents tend to underestimate this little artifact (I mean, it's just one card, right?) and keep playing their cards on curve until they realize you are wildly ahead in card advantage
While not a vampire, Hoarding Broodlord can give your exiled spells convoke
However, if you are like me, you mostly buy online and need to know what to look for