the other idea...
1. marble shield
cost:5x
(shield)
ablities:the creature that attack you will recieve -1/+1
2.marble shield(elite) -- upgrade ver. of marble shield
cost:6x
(shield)
ablities:the creature that attack you will recieve -1/+1
skill:2x
Protecting stone: the damage dealt to you from physical damage is reduced by 2 for 1 turn.