[LV1][LV2] (When Deployed) Put three cards from the top of your deck under this Nexus face down. (The cards under this Nexus are discarded when this Nexus leaves the Field). [LV2] (Opponent's Attack Step) When cards from your deck is put into your Trash due to opposing Ultimate-Trigger effects, by discarding one card under this Nexus, the card put into your Trash by Ultimate-Trigger gets +2 cost.