There are a few drawbacks against adding that extra layer of protection
In fairness there are a lot more scarecrows than there are plainswalkers, so maybe this will be useful once in a hundred games
Search target opponent's graveyard, hand, and library for up to four cards with that name and exile them
Their announcement of the December 9th update and release of Alchemy: Innistrad already includes a rough timeline for the release of Alchemy: Neon Dynasty in March next year
To tangent off Brad and sigh, I've had a few long conversations with Justin Parnell on the topic of GW in cube, mostly at Legacy power level, and how WotC seems to keep splitting the difference of strong signposts between +1/+1 counters and tokens
Each single-player deck includes 60 cards (with 2 foils), 11 damage tokens, 1 rulebook, and 1 BONUS booster pack of 12 randomized cards.