Aeon Chronicler is a rare Creature — Avatar card from Planar Chaos (PLC), collector number 32. Current market price: $0.36 (foil $4.37), TCGplayer market prices via Scryfall.
Aeon Chronicler's power and toughness are each equal to the number of cards in your hand. Suspend X—{X}{3}{U}. X can't be 0. Whenever a time counter is removed from this card while it's exiled, draw a card.