This is a cool expansion to the ability that first showed up on Edgewalker, and more recently on Ragemonger
But for every 61-card Lonely Sandbar Madness deck or mid-60s Elixir of Immortality deck, there's a huge group of similar decks that did well sitting on 60
This instantly becomes one of the best instant answers for 20-life multiplayer formats where the token matters like Five Color or Highlander, and then the 40-life default format of Commander will likely run this over the other options
Orcish Bowmasters Okay, you dont really play Orcish Bowmasters for the enters ability, but its such an amazing black card
This means if they keep opening packs, they will eventually stack up a horde of common cards, sometimes on one particular Pokmon
As removal it is reasonably low powered despite being "above curve" however it is good due to the potential scaling it has