This ruleset got nothing on the sleeves at all. Similar to Even Stevens and Odd Ones Out; Taking Sides have effect on limiting the available cards to use. Taking Sides will exclude Neutral Splinter cards from being used. Neutral Splinter are actually not much in numbers, but will still have many useful purpose.

Peakd : @kid.miniatures/battle-mage-secrets--taking-sides
Twitter :

Battle Challenge : BATTLE MAGE SECRETS : TAKING SIDES#SPLINTERLANDS#SPLINTERTALK#ONEUP#PLAY2EARN#LEOFINANCE#BDVOTER#NEOXIAN#TAKING#SIDEShttps://t.co/zfACIsfeZT

— Kid Miniatures (@kid_miniatures) November 6, 2023