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card
silent
attack
uncommon
Finisher is an obvious choice in shiv decks. It synergises well with strength, like shiv decks do. Once you have four or more energy per turn, it is much easier to set up a big finisher turn – otherwise, it is doing about 12 damage at most. This card works particularly well with Runic Pyramid, as you are able to ensure that you have the hand you need to set up a huge attack. The worst case scenario is drawing this card with no other attacks which is usually quite rare.

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.
S

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

Akabeko
common
Your first Attack each combat deals 8 additional damage.
C+
No silent, colorless or curse cards antisynergies.