mtg card scans Compendium: Companion App Here's some high quality scans

No restrictions were placed on future cards printed at lower rarities

When this creature enters, you may search your library for a card with a name you noted for cards named Smuggler Captain, reveal it, put it into your hand, then shuffle

Anypony may activate this ability or help pay the cost

Sunstriker is a fine aggressive card, but unless the Pauper presents a dominant beatdown strategy (similar to Goblins), the Sunstriker will continue to ride the pine

So in a Commander context, I see discard as the best way to describe a swathe of interdependent synergistic mechanics, mostly based in black, which look for advantage by quickly pitching their own hand to the graveyard