diff --git a/serra.go b/serra.go
index 9244df9..8f4999a 100644
--- a/serra.go
+++ b/serra.go
@@ -12,7 +12,7 @@ func main() {
 	usage := `Archivar
 
 Usage:
-  serra new <path>...
+  serra add <path>...
 	serra update <path>...
   serra value <path>...
 
@@ -23,13 +23,8 @@ Options:
 
 	args, _ := docopt.ParseDoc(usage)
 
-	if args["new"].(bool) {
-		serra.New(args["<path>"].(string))
-	}
-	if args["update"].(bool) {
-		for _, i := range args["<path>"].([]string) {
-			serra.Update(i)
-		}
+	if args["add"].(bool) {
+		serra.Add(args["<path>"].([]string))
 	}
 
 }
diff --git a/src/serra/card.go b/src/serra/card.go
index 9f1e2c6..8112cf4 100644
--- a/src/serra/card.go
+++ b/src/serra/card.go
@@ -3,6 +3,7 @@ package serra
 import (
 	"bytes"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io/ioutil"
 	"log"
@@ -113,28 +114,29 @@ type Card struct {
 	Variation      bool   `json:"variation"`
 }
 
-func fetch(path string) (*Card, bool) {
+func fetch(path string) (*Card, error) {
 	resp, err := http.Get(fmt.Sprintf("https://api.scryfall.com/cards/%s/", path))
 	if err != nil {
 		log.Fatalln(err)
-		return &Card{}, false
+		return &Card{}, err
 	}
 
 	if resp.StatusCode != 200 {
 		LogMessage(fmt.Sprintf("Card %s not found", path), "yellow")
-		return &Card{}, false
+		err := errors.New("card: not found")
+		return &Card{}, err
 	}
 
 	//We Read the response body on the line below.
 	body, err := ioutil.ReadAll(resp.Body)
 	if err != nil {
 		log.Fatalln(err)
-		return &Card{}, false
+		return &Card{}, err
 	}
 
 	r := bytes.NewReader(body)
 	decoder := json.NewDecoder(r)
 	val := &Card{}
 	err = decoder.Decode(val)
-	return val, true
+	return val, nil
 }
diff --git a/src/serra/root.go b/src/serra/root.go
index 7092e63..568c4e5 100644
--- a/src/serra/root.go
+++ b/src/serra/root.go
@@ -2,57 +2,23 @@ package serra
 
 import (
 	"fmt"
-	"strconv"
-	"time"
 )
 
 const (
 	version string = "0.0.1"
 )
 
-// Create new set file
-func New(set_file string) {
-
-	var s Setfile
-	s.Write(set_file)
-}
-
-// Update values and names in a setfile
-func Update(set_file string) {
-
-	var s Setfile
-	var total float32
-
-	s.ReadFile(set_file)
-
+// Add
+func Add(cards []string) {
 	LogMessage(fmt.Sprintf("Archivar %v\n", version), "green")
 
-	fmt.Printf("Set: %s\n", s.Description)
-
 	// Loop over different challenges
-	for _, entry := range s.Cards {
-		card, ok := fetch(entry)
-
-		// catch empty cards
-		if ok == false {
-			continue
+	for _, card := range cards {
+		c, err := fetch(card)
+		if err != nil {
+			LogMessage(fmt.Sprintf("%v", err), "red")
 		}
-
-		t, _ := strconv.ParseFloat(card.Prices.Eur.(string), 32)
-		total = total + float32(t)
-		time.Sleep(100 * time.Millisecond)
+		fmt.Println(c)
 	}
 
-	// build new valueset
-	v := &Value{}
-	v.Date = time.Now().Format("2006-01-02 15:04:05")
-	v.Value = total
-
-	// add new valueset to set
-	s.Value = append(s.Value, *v)
-
-	LogMessage(fmt.Sprintf("Total value in this set %.2f", total), "green")
-
-	s.Write(set_file)
-
 }
diff --git a/src/serra/set.go b/src/serra/set.go
deleted file mode 100644
index 41c4935..0000000
--- a/src/serra/set.go
+++ /dev/null
@@ -1,6 +0,0 @@
-package serra
-
-type Set struct {
-	Description string   `description`
-	Cards       []string `cards`
-}
diff --git a/src/serra/setfile.go b/src/serra/setfile.go
deleted file mode 100644
index 1e6ec07..0000000
--- a/src/serra/setfile.go
+++ /dev/null
@@ -1,54 +0,0 @@
-package serra
-
-import (
-	"fmt"
-	"io/ioutil"
-	"os"
-
-	"gopkg.in/yaml.v2"
-)
-
-type Setfile struct {
-	Description string   `description`
-	Cards       []string `cards`
-	Value       []Value  `value`
-}
-
-type Value struct {
-	Date  string
-	Value float32
-}
-
-// Read formatted yaml file
-func (s *Setfile) ReadFile(path string) *Setfile {
-
-	yamlFile, err := ioutil.ReadFile(path)
-	if err != nil {
-		LogMessage("Could not open file", "red")
-		os.Exit(1)
-	}
-
-	err = yaml.Unmarshal(yamlFile, s)
-	if err != nil {
-		LogMessage(fmt.Sprintf("Unmarshal %v", err), "red")
-		os.Exit(1)
-	}
-
-	return s
-}
-
-func (s *Setfile) Write(path string) *Setfile {
-	data, err := yaml.Marshal(*s)
-	if err != nil {
-		LogMessage(fmt.Sprintf("Marshal %v", err), "red")
-		os.Exit(1)
-	}
-
-	err = ioutil.WriteFile(path, data, 0644)
-	if err != nil {
-		LogMessage("Could not write file", "red")
-		os.Exit(1)
-	}
-
-	return s
-}