Homicidal Seclusion

As long as you control exactly one creature, that
creature gets +3/+1 and has lifelink.
"When did these awful dreams started? When did I
began to wander the house throughout the night, in
search of things hiding in the dark? Where is my wife?
Where is my son? And why does more and more
makeshift, gruesome effegies appear in my backyard?"