Dovin, Planar Surveyor

: At the beginning of your upkeep, if an opponent controls a black and blue creature, transform Dovin, Planar Surveyor.
+1: Draw a card. Name a card. Target opponent reveals their hand. If he or she revealed the name card, draw a card.
-6: You get an emblem that says "Whenever an opponent casts a spell, counter it unless they pay X, where X is the number of cards in your hand."