This enchantment can kill up a variety of threats over four turns, but at the high cost of 6 cmc and each one is randomly selected, so it's not a good answer if you need a specific threat taken care of immediately
A great example is Exhibition (Bracket 1)
That does make it a jack of all trades, master of none, but once you get those +1/+1 counters flying on your cards, you wont mind one bit
Marvel, Elastic Ally empower hydras because they care about creatures with base power 0 and creatures with power higher than their base power, respectively
If you want to break away from the Fallout IP for your energy deck, Automated Assembly Line is one of the ones youll want to pick up
The mana value of the spell is determined by only its mana cost, no matter what the total cost to cast that spell was