The buff Don Andres gives to stolen creatures as well as the Treasure tokens he generates when you cast noncreature spells that don't belong to you are nice, but they're far from enough to make stealing cards worthwhile (especially because the treasures enter tapped)
The Gold Star Charizard, in its black delta-species shiny form, hit $100,000 in PSA 10 in February after $65,600 in December, roughly tripling in six months
There is nothing quite like a first turn Llanowar Elves, except of course, a Birds of Paradise (in my opinion, the best creature in Magic )
The Alpha rulebook contains a fantasy tale called "Worzel's Story" by Richard Garfield which was removed for the Beta release
You can use it with Solemn Simulacrum or Ichor Wellspring for little value plays, or sacrifice and reanimate a Portal to Phyrexia to devastate your opponents
Aggressive decks can sometimes get stuck in board stalls, so this can provide a surprising burst of damage out of nowhere