Conduit Pylons AND Painted Bluffs Next are two Deserts that can filter one color of mana for another of any you need, and each can tap for colorless and ETB untapped
Then, you can have those defender creatures start swinging in, dealing damage based on their toughness instead of power, which is good since they generally dont have much power in the first place
They do, however, introduce new concepts with a higher complexity than starter decks
You may cast creature spells of the chosen type from the top of your library
Theyll get seduced by the idea of drawing their own cards, making them less likely to pay attention to the fact that theyre losing the race
It's got a strong 6/5 flying body with ward your foe's have to sac that dork to even target it