Ink color is akin to factions or elements each ink has a general theme or playstyle (for example, Amber cards often focus on healing and support, Ruby cards tend to be aggressive damage dealers, etc.)
I'd even argue that it's a good thing that you have to think about which catch-up cards you want to include in a deck instead of just mindlessly a bunch of staples together
Draw a Card vs Return Instant/Sorcery
Its a 3/3 for and it dashes for
We had a box of Pokemon Cards and needed help assessing their value so we would know what to do with them The guy at this place was a walking Pokemon Card Encyclopedia, educated us on card values, shared the card selling market dynamics and made us a fair price offer on the entire box
The most important thing for this project was making sure that each of the realms felt unique and when the readers saw the collection of recipes, they could tell which realm we would be talking about