Not only can it protect you from a range of spells, but it can tap the opponent down, and then allow you to untap and slam a Stasis in to play, so it is often much better than a regular Counterspell for this strategy
At least maybe in your play group, but spoiler alert: it's not great
Contents: 30 The Lost Caverns of Ixalan Set Boosters 12 Magic: The Gathering cards per booster 1-4 cards of rarity Rare or higher in every pack 1 Art Card (foil-stamped Signature Art Card replaces the Art Card in 10% of Boosters) 3-7 Uncommon cards 3-7 Common cards 1 Land card (Traditional Foil in 20% of packs, Full-Art Land in 30% of Boosters) 1 Traditional Foil card 1 token/ad card, Helper card, or a special card from Magic's historyfound in 25% of packs
3 Traditional foil uncommons There are 110 uncommons from the main set of Magic: The Gathering | Avatar: The Last Airbender that can be found in these slots
Lost a foil blastoise too
Due to reasons that only Wizards of the Coast itself can be sure of, the cards in Jumpstart on Arena are not the same as they are on the tabletop