Power Rangers Heroes Of The Grid Merciless Minions Uitbreiding EngEmperor Gruumm has traveled back in time to recruit the villain Zeltrax in his plan to conquer Earth before the creation of Space Patrol Delta! The SPD Rangers must track him down and stop him, with the help of the Dino Rangers, before the wormhole closes and they are trapped in the past. These villains' powers tap into the power of the past and future, striking fear into the hearts of all who face them. This expansion set includes Zeltrax's