Squire of Grimstad

Equipment spells you cast cost {1} less to cast.
Equipment you control costs {1} more to equip.
Whenever a creature becomes equipped, each opponent loses 1 life and you gain 1 life.
Nothing more than living armor stands for their cruel mentors, the squires of Grimstad would often go mad from the stress their position entailed, resulting in some of the realm's most note-worthy killers.