mtg 1st edition booster box Magic: The Gathering Modern Horizons | 36 Booster Packs Magic The Gathering MTG Revised,

It might end up being a strong sideboard card against certain decks at the very least

Bibarel ex can be obtained from Shining Revelry pack in the Shining Revelry set

While this ability can easily throw off many creature-light decks, and can even deal with resilient creatures possessing hexproof or indestructible, Anowon can lead a vampire-themed deck that will have no problem with such an ability

Now it ranks as honorable mention because not only can you drain a lot of life over a few turns, but you can also keep on trucking despite sorcery attempts to take it out

If you manage to get Flotsom, Ursula's Spy out as well, you'll have a strong Evasive combo that will be hard for your opponent to deal with