Heroic Intervention, Teferis Protection, Akromas Will and Clever Concealment provide an excellent core protection package
Merchants must be wary of their customers, hassling them for more information than they would otherwise need
It costs just one white mana, and has a static ability that allows you to cast Auras and Equipment as though they had flash
Every card is new, instantly bolstering all your existing leaders
Cantrip Synergies Cantrips, like Thought Scour that when cast perform an action and then draw a card are your low-investment scouts, revealing the battlefield's secrets while replenishing your hand
It feels more to me like Wizards had too many ideas for Lord of the Rings card treatments to squeeze into a single set, so they made a one specifically for the Brothers Hildebrandt and poster cards