Having cards that can be cast in two different ways, often at different prices, makes them a lot more flexible than cards that can only do one thing
Even slight imperfections, like slight creases or scratches, can reduce the value
For folks that complain about lack of white card draw, you can even draw four cards with Skullclamp
You can also use Enchantress effects that draw you a card every time you cast an enchantment, so even if your creature dies, youve already replaced the cards in your hand.
Reanimation is not the only quick path to victory available with Griselbrand
Fire// Ice and Electrolyze There are a lot of people out there for whom Fire // Ice remains the best split card of all time, due to its iconic tournament status, including Vintage, Legacy and Standard