I keep going back and forth from Magic to Hearthstone, and I'm slowly realizing that WoTC's removal of 'feel-bad' mechanics -- like slivers which pump your opponents' slivers -- was the correct choice.
Having something with a beneficial enters the battlefield effect be forced to target your opponent's creatures is a terrible mechanic.
At the same time, fun mechanics are gone. I can't gain more life than my starting amount. I can't have more than a certain number of creatures out at once. I can never ramp above 10 mana. I can't choose to build decks with lower curves and fewer resources. I can't respond to the spell that takes away a third of my health in one blow, because there's no response system.
Drafts aren't with other players, but are instead glorified random deck generators -- newer players still have trouble making picks (I know I did!), but with only three randomly generated cards to choose from, it's incredibly easy to be forced into a deck with a lopsided curve. It's easy to be presented with three mythic rares (or legendaries, or whatever), and have them all be specific to a certain strategy that isn't even draftable.
Hearthstone has greatly improved my sequencing skills in Magic, and I recommended it for that purpose. It's also a ridiculously fun distraction, and it's a card game you can play during a work break -- matches are damn short.
At the same time, it's a shame they didn't take design clues that were right in front of their damn faces.