Anti-air

Units that can attack air. It's good to have at least two of them.

Defensive buildings

Defensive buildings in your deck. Having one helps a lot in defense.

Missing

Investments

Buildings or units that can be played in the back to invest elixir and force the opponent to make the first move.

Win conditions

Cards that are good in taking enemy towers. Good to have at least one.

Damage spells

Spells in your deck. Having at least one or two is recommended.

Punishments

Cards that can be played as a immediate response for the opponent playing high-cost unit in the back.

Pump responses

Cards that can be played as a response to opponent playing an Elixir collector.

Dropped at the bridge

Cards that can be dropped at the bridge, either as a chip damage or as a rush attack.

Tornado King activation – careful!

Cards that can be pulled to the King tower with Tornado to activate him.

Level-independent

Cards that are good even on lower level. Their key stats are not influenced by the level too much and no key interactions are level-dependent.

Weak when underleveled

Cards that are particularly weak if you have them on lower level. Their key interactions with some cards are changed when they are level or two below the other card.

Free-to-play score

For a quick orientation about how easy it is to level up the deck for free-to-play players. The more epics and legendaries it contains, the lower the score.

Mediocre