Goal mode:
Finish all decks when playing against the CPU on the Normal
difficulty level and using the "Official Layout" option.
If you completed the Arbiter deck Goal mode will be unlocked.
Six new goals under each theme deck playing against the CPU should be appear.
To unlock a new card in Goal mode, complete the following objectives with the
CPU on the Normal difficulty level and using the "Official Layout" option.
Unlock Wood Swarm: Win within 10 rounds.
Unlock Water Barrage: Win without killing any enemy creatures.
Unlock Fire Crusader: Win without using spell cards.
Unlock Earth Emperor: Win without opponent controlling a single field.
Unlock Biolith Scourge: Win with 5 Biolith squares occupied.
Unlock Arbiter: Win by having 5 creatures of the same element on board