If I use Medicham V's "Yoga Loop" attack and take another turn, do I get to draw a card for that extra turn?
Yes, absolutely! If you take another turn after using Yoga Loop you have to do everything you would normally do as part of your turn.
Source: Evolving Skies FAQ; TPCi Rules Team (2021-08-26)

Relevant cards

Note: All applicable cards may not be listed below.
SWSH7_83
SWSH7_83