Mimyuu's Hammer is a collectible Trap card that can be acquired from the Base Pack.
Upon use, this Trap card is set on the player's current panel. When this card is triggered, the affected unit will take 1 damage.
Mimyuu's Hammer can be a real pain for characters with lower HP pools, making it a dangerous card for characters likeor . Players weakened by this trap can become easy pickings for offensive characters like and . in particular gets some extra mileage out of this card thanks to their smoke passive, allowing them to more easily catch up to the now injured opponent. can use this card to deal small amounts of damage to opponents in order to get more stars from and .
As with all trap cards, a player must land on it in order for it to be effective. There is always a chance that opponents will be able to avoid the trap, effectively making it a dead card. The damage Mimyuu's Hammer deals is very minor, and can quickly be negated by apanel, , or a number of other cheap healing effects. Characters with large HP pools like or can easily shrug off the damage from this trap. If the victim is KO'd, they only lose time while trying to revive, and the setter of the trap does not receive anything. Passive characters like have more impactful options for traps, preferring control options such as or due to the difficulty they have taking advantage of weakened opponents. Even offensive characters are generally better off putting in their decks, as they can control who gets hit and when it happens.