Equipped creature gets +1/+1 for each Swamp you control.
Equip—Pay 3 life. (Pay 3 life: Attach to target creature you control. Equip only as a sorcery.)
Illustrated by Puddnhead · Mirrodin · #219
There are no rulings for Nightmare Lash.
Living weapon (When this Equipment enters, create a 0/0 black Phyrexian Germ creature token, then attach this to it.)
Equip ( can be paid with either or 2 life.)
Equipped creature gets +1/+1 for each creature you control.
Equip (: Attach to target creature you control. Equip only as a sorcery.)
Domain — Equipped creature gets +1/+1 for each basic land type among lands you control.
Equip
Equipped creature gets +1/+1 for each artifact and/or enchantment you control.
As long as equipped creature is tapped, tapped creatures you control get +2/+0.
As long as equipped creature is untapped, untapped creatures you control get +0/+2.
: You may tap or untap equipped creature.
Equipped creature gets +3/+1.