Demon's snare

This card can be your commander
When this card comes into play create a 5/5 demon creature and attach this equipment to it. When equiped creature dies destroy this artifact. Equiped creature gets +5/+1 and, {p/b}{p/b}{p/b}{p/b}{p/b}{p/b}{p/b}{p/b}{p/b}{p/b}{t}: gain control of target creature until end of game. It becomes a copy of target card in your deck until end of game.