When you cast it, you get to either make more tokens or strengthen the vehicle, so you should get a 3/3 vehicle and two 1/1s by paying 4 mana, or a 4/4 car and three tokens by paying 6 mana
(That binder was my prized possession
infinite river magic infinite river magic Infinite Fiend Mirror When "God of Darkness - Dark God" is face-up on the field, all empty monster card zones are added to the same species/attribute/level/attack power/defense/ Special Summon a Dark God Token with a monster effect
Like when you have to run Vampire Nighthawk in the same deck as Sulfuric Vortex, sometimes you have to run cards that have some nombos
Board wipes are exactly what they sound likespells that can wipe out everything on the board to reset the game
For collectors who want a full-art Mega Darkrai without chasing the highest-end versions, the SR is still a strong pull