The mana value of a transforming double-faced permanent is the mana value of its front face, no matter which face is up
Mystical Tutor Sculpting the top of your deck is good and all, but Mystical Tutor just lets you get what you need
Sapphire/Steel has some really broken cards in it (Dig a Little Deeper) and actually has a coherent strategy that doesnt contradict itself
Where its legal, it remains one of the best blue cards MTG players can use to stay interactive and sculpt a perfect hand right before their turn begins , making it a top-tier choice for any control-oriented strategy
For example, when paired with Ghave, Guru of Spores, you can continuously drain the life of each opponent by sinking mana into your Commanders abilities
Cards like Sol Ring, Arcane Signet, and Azorius Signet do double duty in Brago decks since he untaps them on combat damage