You don't have to choose any targets for Out Cold
Header Identifiers (Name, HP, Type): The upper boundary details the character's name, total Hit Points (HP), and primary elemental alignment (such as Fire, Grass, Water, or Psychic)
Instead, the best way to test sideboard choices is to find opponents with the decks you want to beat, and play against them
I would recommend picking up a playset from the secondary market prior to the price rising, as a four mana 3/3 lord that pumps your whole team is likely something you'd want to run in many builds at the kitchen table
Enchantment - Saga Connect Face (CTRL to add secondary) Counter/Power Synergy Chasm Skulker Whenever you draw a card, put a +1/+1 counter on this creature
Not so random today