You can have as many Cids in your deck as you like, but only one on the battlefield at a time - as he is a legendary creature
Ideally, we'll make some Treasures in the early game, get up to six mana, and, all in one turn, cast Tergrid, God of Fright and Devour Intellect to steal the best permanent from our opponent's hand for just a single mana
If you can manage to pull this off with four or five characters, the resulting lore swing will be so devastating to your opponent, they may not be able to recover
Outlaws of Thunder Junction is a perfect example of how Magic: The Gatherings blossoming popularity opens the floodgates for more quirky sets to exist
Of course, it's also possible that the dual-ink cards simply make the best decks even stronger
Even artifact decks get a boost with Master of Etherium, which not only grows with every artifact you play but also powers up the rest of your metal army