Da'vel, Heroic Plunderer

Whenever an opponent searches their library,
you gain 3 life and create a Treasure token.
"It's an artifact with {t}, Sacrifice this artifact:
Add one mana of any color to your mana."
Da'vel, Heroic Plunderer gets +1/+1 for each
treasure you control.
Sacrifice three treasures: Draw a card.