The Caveman that Awoke after a Millennium

Cannot be destroyed by monster effects. You can only use each of the following effects of "The Caveman that Awoke after a Millennium" once per turn. If this card is in your hand: You can place it face-up in your Spell & Trap Zone as a Continuous Spell. If this card is a Continuous Spell: You can pay 2000 LP or reveal 1 "Millennium Cross" in your hand; Special Summon this card, then you can add 1 "Millennium" monster or 1 "Sengenjin" from your Deck to your hand.