Did you test out the Starter Commander decks with your playgroup
(In fact, token cards have various effective rarities, but for card code purposes they are listed as a single rarity.) Yes, currently in Magic card codes there are seven options for the rarity field: C Common U Uncommon R Rare M Mythic Rare L Land (This refers only to basic lands
This is a classic ability associated with color Red in Magic: The Gathering
Most of these were very powerful in Limited, Trystan's Command and Ashling's Command especially, though being kindred cards means they have a fairly prescriptive home anywhere else, whether in Constructed of Commander
Gemstone Caverns Gemstone Caverns is a legendary land that sees a lot of play in cEDH
Sandwurm Convergence Sandwurm Convergence is a fun card that not only generates a 5/5 Wurm token on every end step but also prevents flying creatures from attacking you or planeswalkers you control