win

Imprint — , : You may exile an instant or sorcery card with mana value X from your hand. At the beginning of your upkeep, you may copy a card exiled with this artifact. If you do, you may cast the copy without paying its mana cost.

Take an extra turn after this one. Skip the untap step of that turn.

+1: Chandra Nalaar deals 1 damage to target player or planeswalker. −X: Chandra Nalaar deals X damage to target creature. −8: Chandra Nalaar deals 10 damage to target player or planeswalker and each creature that player or that planeswalker's controller controls.