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I'd like to note Theorymon's suggestion of Ice Beam possibly being used over Ice Fang. Like he pointed out, it still nets 2HKOs on important threats (Salamence, Landorus, Gliscor) with stealth rock down but only 3HKOs Breloom with rocks up and isn't threatening to defensive Dragonite. It also...
In regards to Ice-Type moves I'm in favor of allowing Ice Fang but not allowing other Ice moves. Anything more powerful than Ice Fang would become too strong at taking out threats that we're not meant to be checking (specifically). I can see the arguments for Ice Shard and am not totally opposed...
Mockasin
Based off of the Moccasin snakes; mock and sin being primary focuses in the spelling.
Mock: to disappoint the hopes of
I feel that this fits the concept of the snake luring in opponents via the apple.
Edit: Apologies if this is too similar to ShravanP's name.