Chaotic Disarray

Chaotic Disarray enters the battlefield tapped.
When Chaotic Disarray enters the battlefield,
target opponent shuffles their library with
Chaotic Disarray's owner, then it's split evenly
between both players rounded down. Each player
loses 5 life.
Scry {2}, then discard {3}
"Yeah, we're not sure what that was all about."
--Wizards of the Coast