Gachinko Judge

Gachinko Judge is a keyword first featured in the Episode 2 block of sets that features in each of the 5 civilizations.

Creatures with this mechanic activate their ability by playing a game of Gachinko Judge.

Reminder Text
The latest reminder text for Gravity Zero reads;

 To play Gachinko Judge, each player reveals the top card of their deck, and then places it on the bottom of their deck. If the player who controls the creature with the Gachinko Judge ability reveals a card with an equal or higher cost than their opponent, they win the game of Gachinko Judge.

Most games of Gachinko Judge are played when a creature with the keyword enters the battle zone. However, some trigger a game of Gachinko Judge when they attack.

Example
  Onimaru "Head", Victory Rush 
 * Fire/Creature/Human/Red Command Dragon/Hunter/Alien
 * 10/900+
 * Speed attacker
 * Power Attacker +5000
 * When this creature attacks, you and your opponent play "Gachinko Judge". If you win, take another turn after this one.
 * Triple breaker

Cards with the Gachinko Judge ability
Creatures: category=Gachinko Judge category=Creature Evolution Creatures: category=Gachinko Judge category=Evolution Creature Spell linksto=Gachinko Judge category=Spell

Color percentages
 There are a total of cards with the  ability, which divide by civilization as such:

Trivia
This keyword is designed after Clash ability from Magic: The Gathering, an ability allowing you to "Clash" with your opponent. If you won a "Clash", your card gained an additional or stronger effect.