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
The special ability of this card can be beneficial midgame or endgame, as you can get a decent amount of lore while still maintaining an advantage
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
Cankerbloom In case a 3/2 creature for just 2 mana wasnt enough, Cankerbloom offers you added flexibility