Infinite Antlion (MP24-EN312) [25th Anniversary Tin: Dueling Mirrors]

Once per turn, at the start of the Damage Step, when an Insect monster battles: You can target 1 card you control and 1 card your opponent controls; destroy them. You can only use each of the following effects of "Infinite Antlion" once per turn. When an opponent's monster declares an attack: You can Special Summon this card from your hand. If this card is Normal or Special Summoned: You can equip 1 Insect monster from your hand or GY to this card as an Equip Spell that gives it 500 ATK/DEF.