Put the rest on the bottom of your library in a random order. While three or less might not sound like much, MTG is full to bursting with cards which only cost three mana or less that can win a game
Then, all of your opponents, not just the one you countered a spell, cannot cast noncreature spells for the rest of the turn
Buzz's Iconic card is also a vibrant, eye-catching card, with the Jungle Ranger crawling through swirls of vines, armed with a sewing needle
Jubilation Be prepared to lose to Jubilation
It's very strong in decks that need to dig, fill up the graveyard, want to force foes to discard, and loads more
This was mostly due to the constant stream of pressure that Despoiler of Souls put on my opponent