Avothera, Obsidian-Infused

Flying, deathtouch
When Avothera, Obsidian-Infused enters the battlefield or attacks, gain control of target artifact creature or Vehicle as long as Avothera, Obsidian-Infused remains on the battlefield.
Vehicles you control but don't own have Crew 1. (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)