Plus its a damage trigger, and those are hard, so Commander-only, and mostly jank at that
A recent video tutorial claims theres a reliable way to always get heads in Pokmon TCG Pocket, providing an edge for certain effects like status-inducing moves
If you have enters-the-battlefield triggers like Rune-Scarred Demon then you get that again
x1] [When Attacking] Rest up to 1 of your opponent's Characters with a cost equal to or less than the total of your and your opponent's Life cards
Once it resolves, it will remain in effect until the game ends, Ride the Shoopuf's leaves the battlefield, or some subsequent effect changes its characteristics, whichever comes first
It's super flexible, as you can use it when your own horde swings in, or when another player goes in on the offensive (they don't even have to be sending everything/anything at you.) However, while I can see this card working pretty well in any blue/white/green tokens deck, it's obviously best with an MTG commander that cares about birds