Teferi's Mending

When Teferi's Mending enters the battlefield,
exile each legendary permanent that shares a
name with another legendary permanent on the battlefield. Then, exile each nonTeferi
planeswalker that shares a type with another planeswalker on the battlefield.
Players can't play cards with the same name as a legendary permanent on the battlefield.
Players can't cast nonTeferi planeswalker spells
that share a type with a planeswalker on the battlefield.