MANA DRAIN Counterspells are dime-a-dozen in blue, so while they are in many ways replacement level, there are some that stand above the rest and make it into this list
Steam Augury has been a massive let down
If you have five mana, you can just cast Overlord for its full mana cost and have a 6/5 creature that will create Everywhere lands each time it attacks
Brew For Your Buck - X Gonna Give it to Ya Brian's latest budget deck is Gruul spellslinger with a Goblin commander!
Now that you can toss it into a Four Color deck, its cachet as a premier Five Color card has dropped
However, because of their nature, these types of cards are strong for pushing through your own win condition, but there are many situations where they are useless for stopping an opponent's win condition, so their evaluation drops slightly with a few exceptions