Since multiplayer games heavily punish tapping out, almost all worthwhile interaction is instant speed or static (like Thalia, Guardian of Thraben) and below three mana
However, his deep love for his own cards allowed him to have a high intimate knowledge of them, eventually landing a job as a card designer for Pegasus at Industrial Illusions, proving he understood the value of cards better than the mechanics of dueling
It becomes a Mutant in addition to its other types
Sure, you can use Tiamat for five colors, toss in all these cards and some sort of spells and mana rocks, and see what happens
Thrakkus the Butcher can offer similar output, and Ran and Shaw is excellent as a card that pumps your other dragons and is sometimes multiple dragons in one card