A card like Ignis Scientia will allow you to put another land onto the battlefield, and because it doesn't specify that it needs to be a Basic land, you can play something more powerful, like one of Final Fantasy 's towns
His ward ability keeps him in play and prevents him from being chosen
They are often warriors, explorers, and daredevils
However, there have been installments where the aim of the antagonist is to take the power of the crystals for themselves, meaning they have caused conflicts for players when attempting to thwart those foes
No Gravecrawler instead
Sin needs a deck focused around it to bring out its best features, especially something milling-related, but once its going, it can be tough to stop