All Diamond to 4 Diamond rarity cards will start with Sparkles Gold flair and that needs to be unlocked to get to the rest, with each flair being unlocked as you go
As far as color pairs, Izzet provides Blue the most options
Reyhan, Last of the Abzan/Slurrk, All-Ingesting This Golgari duo will give your creatures a boost and keep boosting
Progenitus When you think of iconic Magic creatures, I think Progenitus ends up on a lot of Magic players lists along with cards like Emrakul, the Aeons Torn and Griselbrand
Create two 1/1 red and white Soldier creature tokens with haste that are tapped and attacking
And if you need to do a more detailed search, theres even a manual search tool that allows you to look up any cards in the game based on numerous filters, including name, type, color, rarity set, artist, power and more