The pair scored a goal each in the 3-2 win to give Emery his first points on the road as Arsenal boss.
"I like Emery. I think he's got great vision and he's got some good players, hasn't he?"
Emery insisted on Friday that Ozil is happy playing that role rather than as a No.10 but the Germany worldwide did little here to show that's the case.
Asked whether he felt Ozil would play in the Welsh capital, Warnock jokingly replied: "I've got enough worries".
Mesut Ozil began seeing more of the ball and the German playmaker was involved in the third goal of the game.
Torreira, as mentioned earlier, could start against Cardiff, and his partner in central midfield could be Granit Xhaka, who vastly improved in the last game against West Ham United.
Additionally, the manager must also think hard about how much time Cech will be given to improve his passing ability, as the goalkeeper's struggles to play out from the back almost cost Arsenal again.
Cardiff had a golden chance to take the lead in the eighth minute when Cech presented Harry Arter with the ball in a shooting position, but the midfielder's strike was too high. Petr Cech has been horrendous in most matches, and I have no idea how he keeps starting.
At one point Greek defender Sokratis could be seen telling Cech to waste time with his goal kicks - a facet of play which the experienced players know all about.
The goal Cardiff craved came in the second minute of stoppage time at the end of the first half.