Since Basim Ibn Ishaq is seeing play in Modern, the card's value is higher than most included in the set, with the Showcase version going for the most due to how much harder it is to obtain than the base (which also has solid value in its own right)
Blue has plenty of unblockable creatures like Slither Blade and Invisible Stalker that are great receptacles for those +1/+1 counters and guarantee some card draw
In short: being able to keep Auras, Equipment, and counters on a creature, while simultaneously being able to dodge -X/-X, bounce, and exile wraths
If I play a Reaper's Scythe with Anointed Procession in play, the job select ability creates two 1/1 hero creature tokens instead of one
Black really only has 1 I Win the Game condition for this deck in Revel in Riches
This six-ink card can be used in your inkwell, has five strength and four willpower, and can quest for two lore