Though it's hard to depend on, disguising your opponent's top card is a welcome way to disrupt your opponent
I have played all of them and played against them, so I feel like I have logged in enough games that I can have some degree of qualifications when I discuss the best
Pair it with Guile for an infinite engineevery spell your opponents cast gets countered, gives you birds, and then Guile shuffles it right back in for more
its not often that a 6+ mana Planeswalker is good in Standard
Also in the category of user-friendliness, I love always being able to catch a game of Magic s booster draft (where players assemble decks by taking one card out of a pack before passing it to the next person) and sealed deck (where players create decks using the contents of several new packs)
This is represented by reanimating your creatures from the graveyard (and a reference to Celes believing many of her former allies are dead until she finds them again)