Gatherers of Light Priests

{3} You may attach or unattach this creature to a
mechanism you control.
When The Gatherers of Light Priests come into
play, you gain 3 life, or target rogue gets three
1/1 counters on it. When that creature receives
damage, remove a counter to prevent it.
{t} Put a defensive counter on target creature.
"Venera came seeking advice & knowledge. She
also found our love for life & courage."Mentoria
speaking about her band of visitors.