Today, Wizards.com began their official spoiling of Magic 2011. This was done by Aaron Forsythe and Mark Rosewater.
Aaron Forsythe's card - Grave Titan
Creature - Giant
Deathtouch
Whenever Grave Titan enters the battlefield or attacks, put two 2/2 black Zombie creature tokens onto the battlefield.
6/6
Artist: Nils Hamm
Mythic
Also in Forsythe's article he explains that Trample and Deathtouch will combo once M11 is released and the rules are updated. Read his article for the full explanation.
Also in his article was the announcement that Elvish Archdruid is being reprinted, debunking the Imperious Perfect rumors that have been floating around. could it be that Imperious Perfect is being reprinted as well? Meaning that Elves would have access to two powerful pumping creatures?
Mark Rosewater's card - Gaea's Revenge
Creature - Elemental
Gaea's Revenge can't be countered.
Haste
Gaea's Revenge can't be the target of spells or abilities from nongreen sources.
8/5
Artist: Kekai Kotaki
Mythic
Lastly, via the visual spoiler, we now are able to see the Roc Egg which was supposed to be revealed last Friday.
Creature - Bird
Defender
When Roc Egg is put into the graveyard from the battlefield, put a 3/3 white Bird Token with flying onto the battlefield.
0/3
Artist: Paul Bonner
Uncommon