Strewn across the field in the middle of Action Duels are cards known as “Action Cards”.

You can pick them up in the middle of a Duel and use them!

Odd-Eyes Pendulum Dragon.
It’s confirmed you go around the field, riding on monsters!

Source: https://twitter.com/hoikooro/status/445489749948510208
http://t.co/umygIB0RQS