Wan Shi Tong, Librarian (#320)

Type: Legendary Creature — Bird Spirit

Text: Flash
Flying, vigilance
When Wan Shi Tong enters, put X +1/+1 counters on him. Then draw half X cards, rounded down.
Whenever an opponent searches their library, put a +1/+1 counter on Wan Shi Tong and draw a card.

Set: Avatar: The Last Airbender (#320)