Rings of Brighthearth [Kaladesh Inventions] Planechase Anthology When Ancestral Knowledge enters the

When Ancestral Knowledge enters the battlefield

the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step

put that card onto the battlefield under your control

At the beginning of the end step

Miracle {1}{U} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn

Rings of Brighthearth [Kaladesh Inventions] Planechase Anthology When Ancestral Knowledge enters theSet: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {3} Whenever you activate an ability, if it isn't a mana ability, you may pay {2}. If you do, copy that ability. You may choose new targets for the copy. Crafted in emulation of dwarven hearth decorations, these devices doubled the output of Amrit Vatyam's forges.