Very similar to Phyrexian Arena, here you get your extra card much faster, and its more flexible too
It also includes Mother Knows Best, getting players used to the idea that they can bring back banished characters
The white-blue archetype has a "Knights matter" theme, so this card was designed to play into that archetype
It triggers whenever you play a land, as well as whenever a spell or ability puts a land onto the battlefield under your control
Restoration Magic is the part of Blacksmiths Skill that you care about, but it can also gain you a nice little bit of extra life if you can squeeze more mana in
Again, given the once-per-turn limit on your payoff triggers, the real prizes will be permanents which would already be borderline playable, but happen to be worded in a way which makes crime effortless