Target 1 monster in your opponent’s GY; Special Summon it to your opponent’s field, then you can banish 1 monster your opponent controls, then if your opponent has a banished monster(s), return 1 of them to the GY. You can banish this card from your GY, except the turn it was sent there, then target 1 Level 1 monster in your GY; shuffle that monster into the Deck, then you can Set 1 “Terrors of the Underroot”, “Terrors of the Overroot”, or “Terrors of the Afterroot” from your Deck.