Sengenjin Wakes from a Millennium

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