The reason being, you're getting your three cards from damaging each opponent, but you're probably also taking out hordes of tokens and utility creatures along the way, which is ultimately more impactful
Whether this card should see play would depend on the specific deck strategy and available card pool, but it may not be a top choice for competitive play
The Ur-Dragon Cost reduction from the command zone is just plain unfair, especially for a creature type that benefits so immensely from mana acceleration
Formats are just faster than they once were, and these slow, painful cards become especially punishing when you're facing down faster, more aggressive cards from your opponent
Rarity breakdown: 1 Retro artifact reprint in regular or variant art 1 Rare or mythic 1 Foil card of any rarity, including an opportunity to open The Brothers' War Commander cards, Jumpstart Booster rares, Transformers cards, or retro artifacts 2 Wildcards of any rarity, including an opportunity to open The Brothers' War Commander cards, Jumpstart Booster rares, Transformers cards, or retro artifacts 3 Uncommons 3 Commons 1 Basic Land 1 Art card 1 Token/Ad card per pack, with a chance of being a card from "The List" "THE LIST" CARDS FROM MAGIC 'S HISTORY