Oviya, Automech Artisan

Two abilities that read like they belong to different cards, stapled to a 1/2 body that never wants to be in combat itself. The first is a static Overrun for one side of the board: everything you send at an opponent tramples, an anthem that only pays off once you have a wide green board or a stack of Vehicles crashing in. The second is the real engine, a green cheat-into-play activated ability that puts creatures or Vehicle cards down from hand at a discount in mana but a cost in tempo, since it taps her and demands one green each time. The artifact rider is the tell about what she was built for: drop an artifact this way and it lands with two +1/+1 counters, turning a Vehicle into an oversized threat the moment it crews and giving an artifact creature a body worth the deployment. Green has cheated permanents into play through the ramp shell for years, but doing it repeatably, at instant speed, with a counters bonus attached to the artifact half is a pointed nudge toward a green-artifact midrange plan rather than pure fatty-dumping. The trample anthem and the deploy ability chase the same finish (a battlefield full of large attackers) by different roads: one makes your existing board hit harder, the other builds that board a card at a time.