The rates below are estimates based on recent Japanese One Piece Card Game booster box and case behavior
While a card with an Adventure is in your hand, library, or even exile, it has only the characteristics of the permanent, not the Adventure spell
Brawl Not Legal Vintage Legal Timeless Not Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Not Legal Toolbox Notes and Rules Information for Perch Protection: If your life total can't change, spells and abilities that would normally cause you to gain or lose life still resolve while your life total can't change, but the life-gain or life-loss part simply has no effect
Illustrated by Jakub Kasper Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Legal Modern Not Legal Brawl Legal Legacy Not Legal Comp
Syr Konrad feels like he was plucked from Dominaria, alongside Tatyova, Benthic Druid and Garna, the Bloodflame that would have been rare or even mythic in another set
For example, suppose I saw Underground River on the first turn, and then named Nether Spirit to prevent them from leaning on a strong game-winning effect