For Ruby, Ive chosen Mulan, Imperial Soldier as a good balancepotent enough to see play in some Ruby builds, Mulan gives you solid stats for her ink cost and an ability that can alter the game state quickly
You can find all the rulebook, module, and borderless cards in Set, Draft, and Collector Boosters, in both non-foil and traditional foil
This means its a very tricky matchup for Grixis Control, despite all of the decks cheap interaction
New Phyrexia brought Karn Liberated, which was the first colorless planeswalker, requiring only generic mana to cast
A one mana hard counter has so much game swinging potential
Many of the best decks in Legacy rarely change, with the biggest upheavals coming from ban list announcements and the occasional Modern Horizons set