Its also the one with the best possibility of getting mileage from the X is the number of times this creature has mutated mechanic
Once your ramp, use your extra mana to cast even bigger Dinosaurs who discover free spells and leavehte opposition facing extinction
It can deal with a lot of things, but it will basically never do it efficiently, and Scry 1 being tacked on isnt exciting enough for this to rise above a 2.0 It has passable stats and helps enable all of your graveyard shenanigans that youre almost guaranteed to have in Black Its important than this exile instead of letting the opponent discard, as you dont want to be helping your opponent get Descend stuff going
Just watch out for Dark Confidant revealing your own #14: Sinkhole You must understand just how different of days those were
It is a very efficient and strong card in the format, which will certainly grab the spotlight
Or place bricks on Oracle's Vault for draw + ramp, that's good too