Sonata the Melodious Diva [MP15-EN071] Common Legendary Collection 2 the equipped monster can make

the equipped monster can make a second attack during this Battle Phase

If this card is destroyed by battle or card effect: You can target 1 DARK monster in your GY

Most of them simply split back up into the monsters you used to make them so you can switch your strategy on the fly

except "Flying Pegasus Railroad Stampede"

you can conduct 1 Pendulum Summon of a monster(s) in addition to your Pendulum Summon

Sonata the Melodious Diva [MP15-EN071] Common Legendary Collection 2 the equipped monster can makeSet: 2015 Mega Tins Mega Pack Card type: Effect Monster Rarity: Common Attack: 1200 Defense: 1000 If you control a "Melodious" monster, you can Special Summon this card (from your hand). While this Special Summoned card is on the field, all Fairy Type monsters you control gain 500 ATK and DEF.