At the start of the Damage Step, if your "U.A." monster battles an opponent's monster: You can banish that opponent's monster until your opponent's 2nd End Phase. You can only use this effect of "U.A. Penalty Box" once per turn. You can banish this card from your Graveyard; add 1 "U.A." Spell Card from your Deck to your hand.
|Pack||Gaia Genesis [SR]|
These are the U.A. monsters that can benefit from U.A. Penalty Box effect that banishes opponent’s monsters during the start of Damage Step.
U.A. Penalty Box’s effect can be used to search for these U.A. Spell cards.
|Actions||Returns from Banished Zone to field / Activates from your Graveyard / Adds from Deck to hand|
|Banished categories||Banishes from your opponent's field / Banishes itself from Graveyard for cost|