Tessa Elliot, Drone Salvager

{w/u}{w/u}, {t}: Return up to one target artifact creature with mana value X or less from your graveyard to the battlefield with a finality counter on it, where X is Tessa's power.

Whenever a creature you control with a finality counter on it dies, put a +1/+1 counter
on Tessa Elliot, Drone Salvager.