[LV1][LV2][LV3] (Your Attack Step) All your "Investigator" family Spirits gain the following effect (When Attacks) This Spirit gains +3000 BP, and if you have 4 or less cards in your hand, draw a card.
[LV2][LV3] (When Attacks) While you control an "Antarc"-named Ultimate/Nexus, opposing effects can't end the Attack Step.