You can use the (2)nd effect with this card’s name only once per turn.
(1) Destroy 2 or more monsters you control, and if you do, draw 1 card for every 2 destroyed that way.
(2) During your opponent’s Main Phase, if this card is in your GY: You can target 1 monster you control; destroy that monster, and if you do, Set this card to your field (but banish this card when it leaves the field).