mtg card material my paper testing notes : r/magicproxies Here are the Source Material

Unlike previous Transformers -themed cards, the Universes Beyond cards are legal for play in "Eternal" formats, such as Commander, Legacy, and Vintage

But with many synergies for flyers and going wide in the set, Hanged Executioner was a great card, and the instant speed activation is welcome when the creature is so fragile

4 Rares and/or Mythic Rares per pack (max of 3 Mythics)

Angel of the Ruins can handle some problematic permanents for good

Since Tuvasa is your commander, you only need to get it to 21 damage on each opponent before you win, something incredibly easy to achieve while you protect it with an Asceticism and beef it up with Ethereal Armor and All That Glitters

Whenever one or more creatures you control deal combat damage to one or more players, proliferate