This is always a fun way to shake up how you think about the cards youre playing and keeps the game from feeling stale
That being the case, your best course of action is to passively open packs to build your collection as normal and use Pack Points to target specific cards if you find yourself organically getting close to completing any particular Secret Mission
179 Card Types : Premium reprints of popular Leaders, plus Commons, Uncommons, Rares, Super Rares, and Secret Rares with alternate-art parallels
Pooh Pirate Ship is a Flying Dutchman that brings the crew back into play, and Jim Hawkins Honorable Pirate can be a game changer
11 Svyelun of Sea and Sky In terms of Merfolk typal payoffs, Svyelun is one of the best
Lotleth Giant chumps all the other versions of this effect simply by dealing the damage immediately, instead of filtering it through an easy-to-remove creature that needs to connect in combat