>>37999176>>37998803>>37998745>>37998683>Ice Wedge>Special>80 Power>100% Accuracy>10 PP>User harshly penetrates opposing Pokemon with icy blast.>Super effective against Rock-type Pokemon.In my opinion, Ice type advantages/disadvantages is fine. I would really only add a Water resistance.
In my opinion, Ice type should be less valuable in the quantity of its resistances/advantages than its qualitative power. It should have a large toolbox of special and status moves that can Swiss-Army-knife the opponent and provide your team options for any battle.