Serenade the Melodious Diva (NECH-EN005) - The New Challengers Unlimited

This card can be treated as 2 Tributes for the Tribute Summon of a Fairy-Type monster. After this card is Special Summoned to your side of the field, you can Normal Summon 1 "Melodious" monster during your Main Phase this turn, in addition to your Normal Summon/Set. (You can only gain this effect once per turn.)