While the Worldsire doesn't have trample or any other form of evasion, it should be large enough that you can kill anything that crosses its path, and the land ability should be what you're using this for, with things like Valakut, the Molten Pinnacle or Field of the Dead
When you do, destroy target nonbasic land defending player controls, and creatures that player controls without flying can't block this turn
In Magic: The Gathering, each color has a characteristic creature type, and an iconic creature type, each one being indicative of a specific color philosophy
Defiant Salvager
That said, it commits you to going heavy red, the worst color, and at any point in the game past the first few turns its quite weak
They are then distributed elsewhere, and theres even a holder and lenses at the bottom for reading specific scrolls