Baral, Chief of Compliance Counterspells Blue is notorious for counterspells, and Baral is at the top of the list for greatest offenders
If we take a look at TCGPlayer in the first week of the set's release, the ranking of the cards according to value speaks to a continued interest in Alternate Arts
Shes perfect for any Water deck and can replace Potion cards with her healing ability
Neither white nor black has a lot of ramp, though rocks are available, and there are the aforementioned tricks like lands that tap for extra and cards like Land Tax to fill your hand
A 4/4 that attacks as an 8/8 is huge, and pairing it up with +1/+1 counter support gives you a very good incentive to play around with +1/+1 counter shenanigans
These can be used for creating decks to battle with (more on that shortly) where having more than one of a certain card is often essential for success