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card
defect
attack
rare
Can be a strong finishing card in an electrodynamics deck or a static discharge deck. Generally strongest against a single-target, as you can reliably calculate who will take the damage (which is why it complements the aoe nature of electrodynamics so well).

Pen Nib
common
Every 10th Attack you play deals double damage.
B

Vajra
common
At the start of each combat, gain 1 Strength.
A

Molten Egg
uncommon
Whenever you add an Attack card to your deck, it is Upgraded.
A-

Shuriken
uncommon
Every time you play 3 Attacks in a single turn, gain 1 Strength.
B

Snecko Eye
boss
Draw 2 additional cards each turn. Start each combat Confused.
A-

Velvet Choker
boss
Gain 1 Energy at the start of each turn. You cannot play more than 6 cards per turn.
A

Sling of Courage
shop
Start each Elite combat with 2 Strength.
D+

Pocketwatch
rare
Whenever you play 3 or less cards in a turn, draw 3 additional cards at the start of your next turn.
C-

Akabeko
common
Your first Attack each combat deals 8 additional damage.
C+

Strike Dummy
uncommon
Cards containing "Strike" deal 3 additional damage.
D