2 Level 4 monsters
When any player's monster declares an attack: You can detach 1 Material from this card; change that monster to Defense Position. While this card is in your GY (Quick Effect): You can target 1 "Utopia" monster on the field; Special Summon this card in Defense Position, and if you do, attach that monster to this card as Material. You can only use this effect of "Number 98: Antitopian" once per turn.