Evolving a card that is MAX level (achieved by Upgrading) gives it one more rank.
Evolution material needed to Evolve a card
Current Rank
Next Rank
Evolution Material Needed
Cost
Rank 1
Rank 2
Artist LOGO Cap (x5)
Another Rank 1 card (Level does not matter)
2,000 M-Coins
Rank 2
Rank 3
Artist LOGO Cap (x10)
Artist LOGO T-Shirt (x5)
Another Rank 2 card (Level does not matter)
5,000 M-Coins
Rank 3
Rank 4
Artist LOGO Cap (x15)
Artist LOGO T-Shirt (x10)
Artist LOGO Key Ring (x5)
Another Rank 3 card (Level does not matter)
10,000 M-Coins
Rank 4
Rank 5
Artist LOGO Cap (x20)
Artist LOGO T-Shirt (x15)
Artist LOGO Key Ring (x10)
Group Specific Evolution Item (x5)
Another Rank 4 card (Level does not matter)
20,000 M-Coins
Rank 5
Rank 6
Artist LOGO Cap (x25)
Artist LOGO T-Shirt (x20)
Artist LOGO Key Ring (x15)
Group Specific Evolution Item (x10)
Another Rank 5 card (Level does not matter)
50,000 M-Coins
Rank 6
Rank 7
Artist LOGO Cap (x30)
Artist LOGO T-Shirt (x25)
Artist LOGO Key Ring (x20)
Group Specific Evolution Item (x15)
Another Rank 6 card (Level does not matter)