Since the Switch launched, it seems Nintendo has gotten pretty good at doing DLC (mostly), but which was the best? Here are your options (excluding free stuff like ARMS and Kirby Star Allies, and minor paid updates):
Zelda BotW – The Master Trials
Zelda BotW – The Champion’s Ballad
MK8DX – Booster Course Pass (I know it hasn’t released, but might as well include it)
Splatoon 2 – Octo Expansion
Mario + Rabbids – DK Adventure
Fire Emblem Warrios – Season pass
Pokken Tournament DX – Battle Pack
Snipperclips – Snipperclips Plus
Xenoblade Chronicles 2 – Torna: The Golden Country
Captain Toad Treasure Tracker – Special Episode
Smash Ultimate – Fighter Pass 1
Smash Ultimate – Fighter Pass 2
FE Three Houses – Cindered Shadows
Pokemon SwSh – Isle of Armor
Pokemon SwSh – Crown Tundra
AC New Horizons – Happy Home Paradise
Here’s a poll to vote on, but you can also discuss in the comments: https://strawpoll.com/u4jjb3kby