Cards come in three types: Creature, Spell, and Support.
|Creature||Creature cards enter play in one of your three available creature slots. Creatures have Power (attack strength) and Toughness (health). Creatures automatically attack each turn after they come into play. Playing the same creature card again Reinforces an existing creature (adds to its Power and Toughness).|
|Spell||Spell cards perform a one-off effect, such as drawing more cards, healing, doing damage, or interfering with the opponent's hand of cards.|
|Support||Support cards enter play as a support Gem on the Gem board, and have an ongoing effect on the game. Supports in play have a shield value which decreases by one each time the support gem is matched. If the shield value reaches zero, the support is destroyed.|
Cards may have a Color, sometimes more than one, or they may be colorless. Each Planeswalker has affinity for one or more colors, and may only use a deck comprising cards of those colors, or colorless cards.
Cards often have Abilities which appear on multiple cards. Cards may also have unique effects, described in the card text.
During the game
During play, cards are drawn from your library, which is formed from unlimited copies of the 10 cards in your deck. One card is automatically drawn each turn, and some cards have abilities which allow extra cards tobe drawn.
Mana generated by matching gems is added to the cards in your hand, starting from the top. Cards have a casting cost, which is an amount of mana required to play the card. After you make a match, any cards whose casting cost is fully paid may be played.