Lumina

When Lumina enters the battlefield, if you
control a creature named Chrisumaru, Font of Radiance, you may attach Lumina to it.
Equipped creature has +1/+1 and,
"When you gain life, {ut} target creature."
The Light lives in all places, in all things.
You can block it, even try to trap it,
but the Light will find its way." - The Speaker