Bounce something that got through your counter shield so you can counter it
This does weaken the draw-go aspect of the game, which Ive been compensating with by adding a fourth Counterbalance, while not playing overly reactive cards like Spell Pierce in this particular list, which is also due to the fact that a list with such a multitude of cantrips isnt able to play as many individual cards as other lists can, with the upside of finding those, mostly superior, cards with a higher reliability
If a mid-range approach isn't your speed, you can always take a more control approach with Kenrith, stocking up on counter spells and some hatebears effects to control the board
The best way to build a powerful Commander deck in Magic: The Gathering is to stick to the most played and powerful strategies
One Mana Hosers : Cards with a converted mana cost of 1 that have unusual hosing effects, most more useful outside of Standard