mtg each player discards a card Black Discard Deck then draws that many cards minus one. Each opponent discards their hand"

It also works well with prowess

0079_MTGMB2_WhiteRep: Comet, Stellar Pup 0002_MTGMB2_Playtest: Kozilek, Compleated 0122_MTGMB2_Fut_Reg: Future Sight Attendees of Gen Con got to be the first to experience Mystery Booster 2

With a Fetch Land you suddenly have as many land drops as your heart desires

Selfless Squire Selfless Squire can end up pretty big

Every single pack is also guaranteed to have at least one Multiverse Legend a reprint of an iconic legendary creature with a special showcase frame from its home plane

It benefits both blue and black creatures and you can double dip if you have a blue- and black-colored card