Removal is very important in the format and this lets you do it for next to nothing
Contents: 15 Magic: The Gathering cards per booster
Players take on the role of Illumineers, utilizing magical ink to summon glimmers of beloved Disney characters to race toward 20 lore points
Finally, each of the 68 new rares (excluding the 4 new Sagas) and 8 new mythic rares from the Commander decks can be found here with extended art
Urza's Command can drop the power of other player's dorks out of nowhere, make a Powerstone, make a tapped Construct token to win the game, and then scry and draw, so I think that the Construct and scry and card draw are the default here, and that's pretty good for four mana instant speed
second it plays poorly against Solitude, but the mixture of discard spells, counterspells and Dress Downs can solve this issue too