Complete all decks playing against the CPU under "Normal Difficulty"setting and using "Official Layout". After the arbiter deck iscomplete, Goal Mode will be unlocked. Unlock new cards in Goal mode bycompleting the following under "Normal Difficulty" and using "OfficialLayout":
Arbiter - Win by having five creatures of the same element on board.
Biolith Scourge - Win with five biolith squares occupied.
Earth Emperor - Win without opponent controlling a single field.
Fire Crusader - Win without using spell cards.
Water Barrage - Win without destroying any enemy creatures.