CROM

". . . the king's burning heart must be laid to rest at last. And furthermore . . ."

Persistent Petitioners

{1}, {T}: Target player mills a card. (They put the top card of their library into their graveyard.)
Tap four untapped Advisors you control: Target player mills twelve cards.
A deck can have any number of cards named Persistent Petitioners.

Some snakes are known for their deadly venom, swift strike, or crushing strength. Others are known for their deft handling of garden tools. Nature is beautiful.

Lotus Cobra

Landfall — Whenever a land you control enters, add one mana of any color.