Once per turn, during the End Phase of any turn in which you Tribute Summoned a monster(s): You can apply these effects, in sequence, based on the number of monsters you Tributed for Tribute Summons this turn.
1 or more: Destroy 1 Set card your opponent controls.
2 or more: Draw 1 card.
3 or more: Add 1 monster from your Graveyard to your hand.