You can cast commanders, foretell cards, or suspended cards and it will work, as will proliferate effects or +1/+1 counter synergies
These cards both retail for around $7, and are cards I'd be thrilled to open from any Foundations Play Booster
Lands decks focus on getting extra advantage from making your land drops, and even let you play several lands per turn
The idea with these and our leader is to keep foes from wanting to attack us, and if they do, they will be punished, much like Ghostly Prison or Propaganda, but better since we have 40 life to play with
The Gemstone Caverns comes in a lot with Through the Breach to make sure we can cast a five-drop
a deck which offers minimal opportunity to interact or even play a normal game, but which still drains long minutes of their lives as the storm pilot plods through their interminable yet inevitable combo kill