The damage from Blow is something you can abuse or combine with first strike or normal creature damage respectively as well giving it slightly better ability to take out big things
This is a 4 mana 5/5, s you may want to play this in an aggressive deck and target an opponent without any creatures, or just one big one
#20: Dark Confidant Hall of Famer Bob Maher Jr.s Invitational card, Dark Confidant, has a long and illustrious career as a platinum hit for those willing to take a chance
Whats the right number for you
Persistent Constrictor is a good enabler for Valgavoth decks, sure, but its also a great pickup for Hapatra and other -1/-1 counters decks
Rook Turret Rook Turret is even harder to block effectively than Dragoon's Wyvern, and offers valuable card selection in addition to a Phantom Monster rate