Two big r3s

I need guidance on who my third and fourth r3s should be. I have a generic 2->3 gem to use on anyone and enough mystic t6cc to take a mystic up as well.
Here are my current r2s:

And here are my best champs overall:

Here are my current r2s:

And here are my best champs overall:

Two big r3s 23 votes
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Comments
Bullseye as second option