Not only are you triggering your lifegain synergies, but drawing when you gain 3 is easy to trigger with Food tokens or by attacking with an okay-sized lifelink creature
We all play the headline removal spells if we can, but as things stand right now, Id encourage you to find room for one morewhether thats a spell like the ones above, an on-board trick like Soul Snare, or even a creature like Noxious Gearhulk
I havent been to an SCG Open in years, mainly because I live on the West Coast and they dont bother, unfortunately
Often these contain a compilation of cards set on the same plane
You can play games where you fight against more than two players, but the most common way to play is by squaring off against a single player
Typically, promo cards created for a special event, such as this Splendid Genesis, are only given to friends, family and Wizards of the Coast staff