four M11 cards that will also be in Archenemy were spoiled today via Twitter:
Reassembling Skeleton 1B
Creature - Skeleton Warrior
1B: Return ~ from your Graveyard to the battlefield tapped.
Though you may see the same bones, you'll never see the same skeleton twice.
1/1
Plummet 1G
Instant
Destroy target creature with flying.
"You are the grandest of all," said the archdruid to the trees. They became so proud of bark and branch that they suffered no creature to fly overhead or perch upon a bow.
Sorcerer's Strongbox 4
Artifact
2,T: Flip a coin. If you win the flip, sacrifice ~ and draw three cards.
Simun the Quiet filled the chest with his most precious thoughts. But in a fit of paranoia he locked up the memory of where he hid the key.
Chandra's Outrage 2RR
Instant
~ deals 4 damage to target creature and 2 damage to that creatures controller.
"Her mind is an incredible mix of emotion and power. Even if I could grasp it, I couldn't hold it for long."
- Jace Beleren, on Chandra Nalaar
I think the Skeleton is the only one with Legacy potential - some kind of recurring sacrifice engine maybe? But its probably not good enough outside of casual. Maybe Stax or Pox or something, but the 1/1 stats probably make it irrelevant in those.
EDIT: also, as long as I'm posting spoilery stuff, for those who haven't heard, the next DD is Elspeth vs. Tezzeret. No idea what cards will be included as support for them.

