Let's take a look at what I got
The strategy was also held up by a powerful removal spell, Harnessed Lightning, which can both produce additional Energy counters, or leverage existing counters to scale up and kill large creatures for only two mana
My favorite is Overprotect, and from its namesake, you know what it can do
To determine the total cost of a spell, start with the mana cost or alternative cost you're paying (such as an escape cost), add any cost increases, then apply any cost reductions
This is, of course, less of an issue for blue, but in the right deck, its not hard to imagine the Discovery becoming a must-answer target, else you outdraw the table in no time
Birgi, God of Storytelling/Harnfel, Horn of Bounty: Popping off