A favorite for many players, its sometimes easy to forget that this amazing cascade commander is legendary
The cards are representations of the elvish, dwarvish, and human rings (which you probably recognize from the "One Ring to rule them all" poem), as well as Sauron's One Ring
First, they boosted the power and toughness bonus it granted, then dropped the cost to only one mana to cast and equip, and finally made it so it gave the creature 1 toughness, and it ended up being that fateful 1 that made Skullclamp into a monster, since all you had to do was play one-toughness creatures and you suddenly had a repeatable, colorless, one-mana Divination
This is enough for 12 players to build 2-pack decks, or for two people to build six different 2-pack decks each
There are six colors of ink introduced, and decks can have cards of up to two colors
You may play lands and cast spells from among the exiled cards for as long as they remain exiled