best blue card mtg Mono-Blue Commanders, Ranked The 5 Best Blue Cards

However a few do have "practical" uses - here are some examples: The particular card you reference, Garruk the Slayer, was created for the Magic 2015 prerelease and is used in a variant where one player plays normally and the other plays as Garruk

The pricing is modeled after set boosters, and a bit cheaper if you manage to find boxes in wholesale

Most Psychatog and blue-green decks that started playing with Standstill ended up switching to Deep Analysis

It stops opponents cards, and finds you more cards

By making them both uncommons that green-black was happy to play, the cost to put them in your deck was low enough that you'd take them both, and then it's time to Ragnarok and roll