In turn based games trading cards are very popular. Different techniques in shader can be used to make it look interesting to the players. In this asset, I tried to create a magic card that has a fake depth. This parallax effect was achieved by offsetting the view direction vector.

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//Transform the view direction from world space to tangent space			
    float3 worldVertexPos = mul(unity_ObjectToWorld, v.vertex).xyz;
    float3 worldViewDir = worldVertexPos - _WorldSpaceCameraPos;

//To convert from world space to tangent space we need the following
//https://docs.unity3d.com/Manual/SL-VertexFragmentShaderExamples.html
    float3 worldNormal = UnityObjectToWorldNormal(v.normal);
    float3 worldTangent = UnityObjectToWorldDir(v.tangent.xyz);
    float3 worldBitangent = cross(worldNormal, worldTangent) * v.tangent.w * unity_WorldTransformParams.w;

//Use dot products instead of building the matrix
     o.tangentViewDir = float3(
                    dot(worldViewDir, worldTangent),
                    dot(worldViewDir, worldBitangent),
                    dot(worldViewDir, worldNormal)
                    );
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I used different noise patterns for the foil reflection and broken glass textures.

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float pattern = (sin((i.viewDir.z ) * _GradientTile * UNITY_TWO_PI) * 0.5 + 0.5) * fresnel ;
fixed4 gradient = tex2D(_GradientTex,pattern);
float4 texCenter =   (noiseLayer1 + noiseLayer2) * _ColorInside * dotProduct * (1-mask);
float4 texBorder = (gradient + _Metal ) * _Light * _Color * (mask ) * fresnel ;
float4 col = texCenter + texBorder ;
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