Sizzling Standard Synergies Fling isnt legal in Standard right now, so having access to a more powerful variant is great news for red Aggro decks
You have to get rid of a second card to pay the cost, but the tempo gain and protection offered in that exchange are much greater than the loss suffered by pitching some other blue or green card
Lich Lord of Unx started rising once Innistrad was spoiled, and it kept going up as the Zombie tribe pulled into the casual spotlight
As a personal example, when I was creating the tests for Judge Academy, I wrote up multiple scenarios with a "right" answer that judges should know, but then couldn't find a rule that backed up that answer
Contact your local game shop and ask them when they host Commander night (every MTG shop will have one)
Sure, you have just one turn to win, but with a solid 30+ cards in your hand, youll probably have the answer to whatever situation youre in