He has had a couple Planeswalker Decks, and his cards tend to be rather straight-forward payoffs for lifegain or go-wide decks, two archetypes that might have been among your first builds
Since it doesn't even cost any ink to activate and only costs two Ink to play, it will then provide this incredibly useful advantage for the rest of the match, or at least until an opponent destroys it somehow
When you need to make a Storm count The other obvious time to use this broken enabler is with a Storm Count like Dragonstorm, Brain Freeze, Chatterstorm, Empty the Warrens or Grapeshot
Its functionally an Island that fixes mana, and it fills up the graveyard, pitches to Force of Will, and is obviously castable as a 5-mana draw-three
Truth be told, its ideal for anyone who needs an affordable thing
Chaos Orb is notorious thanks to a popular, but fictitious, urban legend of a player tearing it into tiny scraps, and then throwing these pieces at their opponents cards, thus destroying them all