This is pretty clearly a three-drop in my book: you want to cast this on turn three, and you can't cast the other side from your hand
I personally think Legolas Greenleaf is a bit outside of the decks main themes
Plus, with four battlegrounds to choose from, players can determine the difficulty level thats right for them
Dump your hand, play Case of the Crimson Pulse, dump your hand again, then enjoy dumping your hand with a full draw three every single turn
In case you havent heard, Magic is moving into a new era of prices and collectibility
What custom Magic cards usually means (so you dont overcomplicate it) Most people making custom Magic: The Gathering cards fall into one of these buckets: Alt-art re-skins: Same card text, different art and vibe (your Sol Ring is now a cursed waffle iron, as it should be)