Otaria - Oversized Planechase Card (OHOP) from Planechase Planes, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Charles Urbach
• Card Text:
  Instant and sorcery cards in graveyards have flashback. The flashback cost is equal to the card's mana cost. (Its owner may cast the card from his or her graveyard for its mana cost. Then he or she exiles it.)
  Whenever you roll Chaos}, take an extra turn after this one.