It may not seem like a lot has happened between your deciding you want to counter your opponent's single spell and his playing Cancel, but by that time you've already chosen that you're only going to counter one spell, chosen the target, paid for the spell, and passed priority
I miss and he reveals two Swamp, a Wasteland, Dystopia, Hypnotic Specter, and Withered Wretch
You can stop an aggressive attack with cards like Silklash Spider and turn their sacrifice into card and life advantage
If the target creature is an illegal target when Enter the Enigma tries to resolve, it won't resolve and none of its effects will happen
Ma Chao, Western Warrior Whats Great About Ma Chao, Western Warrior: This is really just one of those cards that isnt particularly good by todays standards and is valuable just by virtue of being from the Magic set that introduced legendary creatures to the game 1
Don't get me wrong, I love me some Scurry of GremlinsScurry of Gremlins, and Electrostatic PummelerElectrostatic Pummeler is some good old-fashioned "do the thing" kind of fun