King Ealdor the Last

Pay 2 life: Target creature becomes a Knight.
Pay {b}: Target creature becomes Legendary until
end of turn.
Whenever a Knight attacks you, create a
Treasure token. ({t}, Sacrifice this artifact: Add
one mana of any color.)
At the end of combat, if a Legendary creature
attacked you, you draw a card.
"This bloodline won't die with me for I intend on
ruling forever."