Alsei, the Sylvan High Protector

Effect

2 Level 8 monsters Once per turn: You can declare 1 card name; excavate the top card of your Deck, and if it is the declared card, add it to your hand. Otherwise, send it to the GY. If a card(s) is sent from your Deck to the GY by a card effect (except during the Damage Step): You can detach 1 material from this card, then target 1 card on the field; place that target on either the top or bottom of the Deck. You can only use this effect of "Alsei, the Sylvan High Protector" once per turn.