It can be countered, and any abilities that look for spells cast (such as cascade, if that spell has cascade) can see it
If your deck has three different subthemes fighting for the same slots, pick one
The chain gun should fire gravel or slivers of wood." Theres something vaguely Flintstones about the whole setup, and its ironic that the same goblins who get hit with flavor text like that on Rummaging Goblin also are the only ones allowed grenades, Gatling-type guns, and Fodder Cannons (the last technology they share with orcs)
I think that says something about the power level of these cards when an entire format read the card and said, Well take a hard pass on those they are just too broken! Perhaps the most controversial card I considered putting onto my EDH Power 9 is an ACTUAL Power 9 card
Whether these two counterspells are something you could feasibly get a hold of or not, you've got to admit they're pretty cool, even if one overshadows the other by a colossal amount