Blessing of R’hllor

Whenever you sacrifice a creature, discard two cards or pay life, add a blessing counter to Blessing of R’hllor.

Once during each of your turns, you may cast
a spell from your graveyard with mana value equal to half the number of blessing counters
on Blessing of R’hllor, rounded down.

Whenever an opponent would become the monarch remove a blessing counter from Blessing of R’hllor.