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If I were to choose something specific to tutor vs lands it would be realm razor, just to give me that brief opening, otherwise my plan is to just kill him before they get going.

The problem is that wurm doesn't actually beat them either. We both have ways to avoid decking.
Wurm can also be conceivably killed by 4xp-fire or tabernacle+LD in the SUPER long game.

I played legacy for the first time in quite some time and chose this deck... pretty sure I could have made the 6-3 cut for day two at this legacy open but I think subconsciously, i really didn't want...

You are better off dealing with it before it hits play as opposed to after. Karakas would be your best answer when it's in play though