Ghost of the Swarm

Hexproof
Hivemind (When this creature attacks with at least
4 other creatures with the subtype Infected, it gains
Menace and +1/+0 until end of turn)
"I think that these 'ghosts' are able to camouflage like chameleon or something. Like, their bodies are able to
change the texture and color of the skin and body.
Like, they can blend in almost perfectly in forests and
rubble. It's freaky." - Journal Entry, Page 9