1st generation pokemon card packs First Partner Illustration Collection (Series 1) or Alola region when was first edition pokemon

This is extremely strong for a number of reasons

If your turn has multiple combat phases, Ursine Monstrosity's last ability triggers at the beginning of each of them

Given their unique mechanics, the Transformers cards are only playable in Commander, Legacy, and Vintage formats despite appearing in a standard set

In this environment with many board wipes, keeping it in your hand helps with quick redeployment of Yuffie after a haste attack

Best March of the Machine: Aftermath cards Narset, Enlightened Exile Tyvar the Bellicose Nissa, Resurgent Animist Blot Out Jolrael, Voice of Zhalfir Metropolis Reformer Sarkhan, Soul Aflame Plargg and Nassari Calix, Guided by Fate Feast of the Victorious Dead The simplest thing to do here would just be to pick the highest-rarity cards, of which there are exactly ten, and call it a day