price mtg cards Cheap card that parries top decks sees 270% spike Remove up to five counters from target artifact The Price of Knowledge :

For an additional black and generic mana, the attacking Rat gains deathtouch until the end of turn

The only potential problem is that you do have to tap out, so if there's a strange combination deck that can discard three cards, sacrifice a creature, and go off anyway, then you'd have to be careful

According to Wizards, you have a 1 in 3 chance of opening a nonfoil FCA in Play Boosters, with a 63.25% for that card to be uncommon, 29.75% to be rare, and 7% to be foil

Im obviously exaggerating, but there are some legitimate parallels

The retail edition of Mystery Booster did not include playtest cards, being replaced by foils instead