If Behind the Mask causes a Vehicle to become an artifact creature, it doesn't count as "crewing" that Vehicle for any ability that would trigger off of a Vehicle becoming crewed
Jaws can be a win condition in combos that create and sacrifice artifacts indefinitely, like those involving Pitiless Plunderer
Absolving Lammasu Aerith Gainsborough Ajani's Pridemate Ancestor Dragon Angel of Vitality Archway Angel Aunt May Beza, the Bounding Spring Bishop's Soldier Bounding Felidar Cat Collector Charming Prince City Pigeon Compassionate Healer Crowd of True Believers Curious Farm Animals Dazzling Angel Essence Channeler Exemplar of Light Featherbrained Filcher Felidar Savior Flight-Deck Coordinator Guarded Heir Haliya, Guided by Light Healer's Hawk Herald of Faith Hero in Training Hinterland Sanctifier Holy Cow Inspiring Overseer Kutzil's Flanker Leonardo, Cutting Edge Leonin Vanguard Lifecreed Duo Linden, the Steadfast Queen Lita, Little Orphan Amphibian Lyra Dawnbringer Market Gnome Minwu, White Mage Momo, Playful Pet Rabaroo Troop Regal Caracal Rosa, Resolute White Mage Sarn of the Silken Throne Soaring Sandwing South Pole Voyager Spider-UK Stone Docent Sun-Blessed Healer Twinblade Paladin Twinmaw Stormbrood Vanguard Seraph Wanderbrine Preacher Wax-Wane Witness Werefox Bodyguard Zora, Spider Fancier
At the time of writing, Disney Lorcana: Archazia's Island was just released for smaller hobby stores and Disney stores and parks, but it has not yet had its full launch into mass-market retailers
It's like having two cards in your deck that do the same thing
