Whenever a spell you control is chained ⇒ Reveal the top seven cards of your deck. You may pay 700 life. If you do, put a card with Chaining or Seal from among them into your hand. Put the rest on the bottom of your deck in any order. This ability triggers only once per turn.

Whenever a Seven Kings ruler you own is revealed from outside the game ⇒ You may pay 700 life. If you do, draw a card.

Mastery (Seven Stars) or (Seven Kings)