I was doing a little digging into the whole suit cards that the DD pirates seem to follow and found some pretty cool things that might help us predict the forth coming chapters.
card:spanish:symbol:element:number:color
Diamond: diamante: club: fire: 4: blue
Heart: corazón: cups: water: 2: red
Clover/Club: trébol: coin: earth: 3: green
Spade: pala: sword: air: 1: black