The first is a triggered ability: "When this permanent enters the battlefield, target player may search their library for a card named [name], reveal it, put it into their hand, then shuffle." The second ability represented by the "partner with [name]" keyword modifies the rules for deck construction in the Commander variant and has no function outside of that variant
Scheming Silvertongue Lifegain decks are always on the lookout for payoffs and ways to use all that life, so Scheming Silvertongue has many homes
For more info on those, click those links
The Emperor, Hell Tyrant (Yawgmoth, Thran Physician) Yawgmoth, Thran Physician is a Modern staple (there's a whole deck named after him), so the Emperor art would be a nice addition to die-hard fans of the deck
Proxies let you: test expensive strategies before buying experiment with combos without dropping hundreds of dollars protect valuable originals while still playing the deck To keep it healthy: disclose proxies before the game starts match your tables power level expectations dont bring proxies to sanctioned events unless the organizer explicitly allows them (rare) Pitfalls and Community Impact The biggest community harm doesnt come from casual proxy use
