No. On any critical fail you do not apply any buffs, card effects, modifiers, or anything other than that straight value of the single dice you roll for damage against yourself due to the critical fail. Additionally, corn creeper would lose its 5x on the next hit though since it essentially used up on the critical miss. Even though you or your opponents didn't actually take the 5x dmg.
No. On any critical fail you do not apply any buffs, card effects, modifiers, or anything other than that straight value of the single dice you roll for damage against yourself due to the critical fail. Additionally, corn creeper would lose its 5x on the next hit though since it essentially used up on the critical miss. Even though you or your opponents didn't actually take the 5x dmg.