Draconic Take Down

Sacrifice {x} number of creatures you don't
control.
If you sacrificed 2 or more creatures from the battlefield this turn, your opponent mills the top
6 cards of their library
———{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}
"Dragons are our future if you believe them. They
aren't if you don't. And if you don't, you will suffer,
then they won't, because you won't be in the same
world as them." {line}Lafviat, Dragonrider