Some metal/metalcore riffs ?

As weird as it may sound, I've managed to find a lot of metal/metalcore riff video. I you have some suggestion, feel free to add them in the comment section.

this one is more or less what I was looking for :
https://www.youtube.com/watch?v=evCPKPxH_Eo

Hereafter tabs, of the 3rd first riffs, and one of mine inspired form the first two at the end.

1st riff : https://youtu.be/evCPKPxH_Eo?t=145

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-2-----2-----5-----4-----2----2------------------
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---2-2---2-2---2-2---2-2---2-2---2-2-3-3-3-2-2-2-

2nd riff : https://youtu.be/evCPKPxH_Eo?t=241
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-2-----2-----------4-----5-----4----------4-----
-------------5-----------------------5----------
---2-2---2-2---2-2---2-2---2-2---2-2---2-2--2-2

3rd riff : https://youtu.be/evCPKPxH_Eo?t=312


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-7-------7-------10------9-------5--------------
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---7-7-7---7-7-7---7-7-7---7-7-7---7-7-7--------

GPX file