Center: Your opponent cannot target this card with card effects, also it cannot be destroyed by your opponent's card effects
The idea was the rest of the set was different enough from Innistrad that it was okay to have overlap with the graveyard
You can then tap him to get mana based on his power, letting you cast even more spells
Each evening, Ive found myself gleefully bouncing from duels to pulling more cards, and have even braved ranked duels online - with mixed success, admittedly
For reference, a Special Illustration Rare lands around 1 in 90 packs, an Ultra Rare around 1 in 15, an Illustration Rare around 1 in 12, and a Double Rare around 1 in 5
If you dont care about owning a 1st edition, you can often find an Unlimited version of the same card that is lower priced