Wan Shi Tong, Librarian [Avatar: The Last Airbender Prerelease Cards] Edge of Eternities where X is 2 plus

where X is 2 plus the sacrificed creature's mana value

Then that player discards all cards with that name revealed this way

Set: Unhinged Type: Artifact Rarity: Rare Cost: {15} {T}: Add {∞}

Cheer — Whenever one or more creatures you control with counters on them deal combat damage to a player

Decades later

Wan Shi Tong, Librarian [Avatar: The Last Airbender Prerelease Cards] Edge of Eternities where X is 2 plusSet: Avatar: The Last Airbender Prerelease Cards Type: Legendary Creature Bird Spirit Rarity: Common Cost: {X}{U}{U} 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.