I am waiting for the glorious moment when some new player plays his first legendary minion--Millhouse Manastorm--and gets absolutely BTFOd in the most spectacular fashion possible and ends up uninstalling.
That aside, this card is what killed Mountain Giant. If you have the coin, you could theoretically play a turn 2 Giant (play the coin to have a total of 3 mana, then cast evocation to go up to 10 cards, and play the giant for 2).
2
One of the best for warlock decks.
2
One of the best golden legendary