Which citi card should i get next?

Overview

I got the aadvantage platinum select card with the 80k points for 1k spend SUB and planning on downgrading it early next year. I mainly fly american so my main goal is to get the 'trifecta' but i know that the custom cash is gone. should i get the double cash next, or the strata premier? My current catch all card is the quick silver (1.5% back), i use the aadvantage card for 2x points on american, and savor for grocery and restaurant (3%) but if i get the strata prem i'll use it for

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