Icejade Creation Aegirocassis (MP23-EN121) [25th Anniversary Tin: Dueling Heroes Mega Pack]

While this card is equipped to a monster, the equipped monster gains 400 ATK/DEF for each banished monster. You can only use 1 of the following effects of "Icejade Creation Aegirocassis" per turn, and only once that turn. If this card is in your hand or GY (except during the Damage Step) (Quick Effect): You can target 1 "Icejade" monster you control; equip this card to that monster you control. While this card is equipped to a monster: You can Special Summon this card.