Champion of Wits is a rare Creature — Snake Wizard card from Hour of Devastation (HOU), collector number 31. Current market price: $0.25 (foil $1.27), TCGplayer market prices via Scryfall.
When this creature enters, you may draw cards equal to its power. If you do, discard two cards. Eternalize {5}{U}{U} ({5}{U}{U}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Snake Wizard with no mana cost. Eternalize only as a sorcery.)