Jigglypuff, Songweaver

Lullaby Aura — When Jigglypuff, Songweaver enters the battlefield, tap all creatures your opponents control. They don't untap during their controller's next untap step.
Soporific Song — {2}{u}, {t}: Tap target creature. That creature's controller draws a card, then discards a card.
Irresistible Melody — Whenever an opponent casts a spell, you may draw a card if you control more tapped creatures than they do.