Play Boosters are reliable for variety, but if you want cosmic treatments, Collector Boosters are the smarter buy
Entropic Battlecruiser must be stationed before its effect is online, and Cool but Rude requires leveling up, but these are some of the stronger payoffs for repeated discards
Kaito, Bane of Nightmares Kaito, Bane of Nightmares is surprisingly difficult to deal with thanks to hexproof
Watermark: Rakdos Illustrated by Steve Argyle Standard Not Legal Alchemy Not Legal Pioneer Legal Historic Not Legal Modern Legal Brawl Not Legal Legacy Legal Comp
Just as Harmonize was much, much better than Concentrate, so too is Divination better in black than blue
It usually ETBs tapped, taps for Whitw and you can tap it with two mana to draw a card but only if you attacked with two or more dorks this turn, which is pretty likely in a creature based aggro color like White