Ritsuki of Cherry Blossoms

Double Strike, Vigilance.
Aishi te iya masu—{2}{w}{r}: Creatures you control
gain +2/+2 until end of turn. You Gain 4 Life.
When Ritsuki of Cherry Blossoms leaves play
each opponent mills 12 cards, sacrifices two
creatures and loses 4 Life.
"A princess from the planet of cherry blossoms who
came to Earth to find herself."