(It does not specify what conditions have to be met, however.) More missions and events are on the way too
There are about 120 enemy encounter cards with the monster trait, not to mention some dozen or so weakness enemies, including the signature weaknesses of Father Mateo, Tony, Norman Withers, and William Yorick
It gets banished from the game once it leaves the field but it's a small price to pay for a nearly unshakable defense
A drop that includes three board wipes in Day of Judgment, Star of Extinction, and Toxic Deluge would already be frightening, but adding in an extra turn spell in Temporal Extortion, and a way to exile key cards from your opponents' decks with Praetor's Grasp makes this by far the meanest Secret Lair drop we've ever seen
Inserted into one random Collector Booster, this special variant is tried for being the rarest MTG card in existence
In short, these details will matter most to collectors and competitive players