The card does cost eight mana to play and is reserved for the late end game, but when this flying, vigilant, indestructible 8/8 Angel hits the battlefield, your opponent is in some serious trouble
Opponents not being able to cast spells during combat also makes it easier to be certain that your attacks get through and gives you the upper hand in fights since you can still use combat tricks
There are only seven instants with it, which makes it difficult to evaluate and appreciate
Here for example are the three milling cards in Magic 2010: Why is it called milling
every alt-art, extended border, showcase frame, and Judge Promo
If you did bargain and sacrifice an artifact, enchantment or token of some sort you'll cast it for free if its mana value was four or less