There are just more efficient or effective alternatives that don't come with the other fluff if counterspells are what you need
Blue doesn't have solid removal access outside of cards bouncing any permanent - which are usually on spells, not creatures
I think the only holo I ever pulled from a base set pack was a Hitmonchan
Shiko and Narset, Unified One generic, one blue, one red, one white legendary creature - Human Spirit Dragon - 4/4 - Mythic Rare Flying, vigilance Flurry - Whenever you cast your second spell each turn, copy that spell if it targets a permanent or player, and you may choose new targets for the copy
Cards I removed over time: I initially had more flicker effects in the deck like Conjurers Closet and Sword of Hearth and Home, and doublers like Panharmonicon and Strionic Resonator, but these all felt like winmore cards
I would have preferred Ponder