Who said "Death is just another card to play."?

This quote is attributed to Littlefinger.

Death is just another card to play. - Littlefinger

"Death is just another card to play."

Littlefinger Death

"Chaos isn't a pit. Chaos is a ladder."

"Knowledge is power, but power without wisdom is destruction."

"The world is not kind to those who hesitate."

"A man with no debts is a man with no leverage."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."