Radahn, the Red Lion

Doublestrike
Radahn, the Red Lion cannot be countered.

Whenever Radahn, the Red Lion attacks alone you
may discard a noncreature spell. If you do, exile him
at the end of combat, then return him to the
battlefield under his owner's control tapped.

Whenever Radahn, the Red Lion enters, if you
didn't cast him, each opponent loses 2 life.