Leonard Testarossa

Whispered (Reduce the costs of artifact Vehicles in your hand by {x}, where X is this creature's converted mana cost.)
When Leonard Testarossa enters the battlefield, create two colorless 3/3 Alastor artifact creature tokens with first strike, vigilance and "This creature is a Vehicle. When Leonard Testarossa leaves the battlefield, destroy Alastor."
Leonard Testarossa has hexproof as long as you control an artifact Vehicle.