Stonekin Roost

Defender, soulbond
Stonekin Roost can only pair with a Gargoyle.
Stonekin Roost and paired creature block together. (Only Stonekin Roost needs to be untapped to block, treat it as the blocking creature. Stonekin Roost get's +0/+X where X is the other blocking creatures power. In addition, if the other blocking creature is untapped, Stonekin Roost gets +Y/+0 where Y is that creatures power.)