A lack of red or green makes me slightly suspicious as it cuts off easy access to the wombo-combo of double strike and trample, but tricks and equipment that grant flying probably make up for that
You can basically run whatever you have/like (Swords to Plowshares, Stroke of Midnight, Bovine Intervention, Path to Exile, Crib Swap, Generous Gift, Personify, etc, etc, etc.) and you wont be upset
Full-Art Dragon's Presence and Dragon's Eye Basic Lands Do you think that dragon can see us
If you don't, the ability won't trigger at all
If you use an ability that lets you view the top cards of your deck, this provides a ripe opportunity to discard unwanted draws
Amethyst/Ruby can be useful for control decks focused on maintaining sway over the board, while a good Emerald/Steel build tends to angle for weakening an opponent by depleting their resources through discard abilities