The card itself more than makes up for it, and annoyingly enough has reach, which will be problematic for many an EDH deck
Ideally you're putting the counter on an Attraction that has 3 lights lit up so you have a 50/50 of getting the exiled spell each turn
This add-on full of Magics most desired enchantments will show up in Draft, Set and Collector boosters, much like we saw with March of the Machines Multiverse Legends and The Brothers Wars Retro-frame artifacts
This Deadpool is far less durable than his comic book counterpart, and doesn't have a way to come back to life
I can see having cards in your deck that tap potential attackers, like Icy Manipulator and Opposition, so if an opponent doesnt draw a card from your commanders ability, you know you can keep your tap-down effects ready for potential attackers from their side of the battlefield
If those combos arent your thing, then you should consider how to convert a board of tokens or small value creatures into a win condition with a card like Moonshaker Cavalry