Queen

Hexproof, Indestructible, Trample, Vigilance
This creature is Legendary. If you don't control
a card named King sacrifice this creature.
Double all ability's that trigger from combat
damage by chess pieces you control
The queen is the most dangerous piece worth 8 points
on the board, a combination of rook and bishop, and
Thus people will play consciously with it, Use that
to your advantage.
-Unknown Tapes