It verges towards the generic, but you cant deny the power of a Coastal Piracy variant that proliferates
Perfect Fit sleeves provide improved card protection
Sephiroth on the other hand plays into the usual control strategies favored by Blue/Black by growing in strength for every opposing creature you remove from play
Its not as effective as, say, Necropotence , but this can be especially powerful if youve got a way to recover life
That's not that unique of an attribute, but he can also gain two lore every time he challenges , making for an aggressive one-two punch the moment he's played
The Phyrexian horror token it generates has more and more power on each subsequent turn eventually, if your opponent cant answer the Forge or beat you first, you will win the game without spending any more than the initial 3-mana investment