Shield of the Millennium Dynasty

“Cannot be destroyed by Spell/Trap effects. You can only use each of the following effects of "Shield of the Millennium Dynasty" 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 Ankh" from your Deck to your hand.”