Block Tales - 5 Thorns Cards + 5 Charge DEF Cards Showcase vs Floor 29 (Untouchable Build) 

Thorns Card Info:
Card type: Passive
BP Cost: 2
Enemies take 1 damage when attacking the user with meele attacks.
Gives +1 superguarding damage.
Reduces the guarding window by 10%
Each card of the same equipped deals +1 damage when recieving meele attacks and reduces the guarding by 10% more. (At max, which is 5, deals 5 damage when in contact with enemy, or 6 damage when super guarding, and -50% guarding window)
Proyectile attacks and multiple hit attacks do not proc this damage.
Charge DEF Card Info:
Card type: Active
BP Cost: 1
SP Cost: 2
Gives +1 defense to the chosen target for 2 turns.
Each card of the same equipped makes the defense buff increase by +1.
In the video I intentionally let myself get hit to test how much damage they could do to me. Not much apparently.