I found the Amber and Ruby deck offered more in the way of brute strength, while the Emerald and Sapphire has more of an emphasis on leveraging challenges to your characters
Helga and Glarb can't be in each other's lists, as they are different 3/c spaces, but they can both fit into a 5/c deck and have obvious synergy with each other
It's cheap, it can give +1/+1 counters when you gain life, and it can give lifelink to a creature
Where I really think these foretell cards will shine is in the Jeskai Lotus Field deck
But by default the game trusts you to know what youre doing and wont slow you down unless you ask it to
[66] Frequent winners of these events made names for themselves in the Magic community, such as Luis Scott-Vargas, Gabriel Nassif, Kai Budde and Jon Finkel