The thing is, to really take advantage of storm spells like Grapeshot and Tendrils of Agony, the storm count must be very high, so these spells are game-winning when cast
In this economy
When these creatures that force sacrifice enter, it's best to sacrifice them as once the effect resolves they tend to not do anything on the battlefield, and are better in the graveyard for Squall to reanimate
Again, we are just playing with starter decks, so there may be cards with comeback mechanics and counters that we havent seen yet, but as things stand, this is one of the more underwhelming aspects of the game
Grixis Delver can fight those decks by racing them, and while Grixis Control is better against a lot of things, namely Jund, it struggles with the lesser-played decks in the format
Countermagic is better than normal because its the only way to prevent your opponent from accruing value from a resolved Planeswalker, but four mana is a ton to hold up