If you want the short version of proxy etiquette and where proxies are not allowed, start here: How to use MTG proxies responsibly
Sometimes it is double Stone Rain and sometimes it is Time Stretch which is a bargain for either at just 5 mana
But in the right build it's often less about losing cards and more about putting them exactly where you want them
Be patient and when you see the price flatten out, grab your personal copies and a couple of spares
The adventure portion, Garenbrig Growth, returns a creature or land from your graveyard to your hand
While less ostentatious than the showcase styles that pepper our list, the new extended art version of Sorin is still really cool though, depicting the same scene as the previous card, but now Sorin's just a little more Geralt of Rivia