Put the rest on the bottom of your library in a random order." Whenever a nontoken creature enters the battlefield under your control, put a loyalty counter on enchanted planeswalker
While it cant outright counter a spell on the stack, there are plenty of good enters-the-battlefield effects worth negating in Commander
That said, he can create infinite creatures with Intruder Alarm if you want to build around that
It reduces costs so you can play Characters cheaper, bounces Characters back to hand (yours or the opponent's), and generates card draw through effects
This explains the major role of tutors in storm: Grim Tutor may not look so mana-efficient, but grabbing the best ritual in your deck transforms it into a very positive play
While mass-land destruction and messing with people's lands in general is often frowned upon, I'm still going to advocate including a few hate cards, such as Blood MoonBlood Moon, Keldon FirebombersKeldon Firebombers and RuinationRuination