Joldri, Jace's Cremaker

Flying, Hexproof, Deathtouch, Vigilance.
{5}{u}{u}: Whenever a spell an opponent controls
enters the battlefield, put a +3/+3 counter on permanents you control. They gain Hexproof as
long as they have counters on them.
When Joldri, Jace's Cremaker enters the battlefield, exile target permanent an opponent controls. It remains exiled as long as Joldri is
on the battlefield.