Etchings of the Chisiki

Indestructible

Whenever you draw a card or when another Historic
permanent enters or leaves the battlefield, put a record
counter on Etchings of the Chisiki.

{t}, Remove a record counter: Draw a card.

{t}, Sacrifice Etchings of the Chisiki: Each player mills
X cards where X is the number of record counters on
Etchings of the Chisiki.