Zel can be spent to raise the grade of a card.
Raising the grade of a card will improve its stats.
Once a card reaches foil-grade or above, it can also be exported to your wallet.
| Zel Required to Raise Card Grades | ||
| Common | Normal ⇒ Foil | 25 |
| Foil ⇒ Alternate | 50 | |
| Rare | Normal ⇒ Foil | 50 |
| Foil ⇒ Alternate | 100 | |
| Epic | Normal ⇒ Foil | 250 |
| Foil ⇒ Alternate | 250 | |
| Legendary | Normal ⇒ Foil | 1,000 |
| Foil ⇒ Alternate | 1,000 | |
| Mythic | Normal ⇒ Foil | 4,000 |
| Foil ⇒ Alternate | 4,000 | |
| Alternate ⇒ Premium | 4,000 | |