Verazol, the Split Current is a rare Legendary Creature — Serpent card from Zendikar Rising Promos (PZNR), collector number 239p. Current market price: $0.30 (foil $0.40), TCGplayer market prices via Scryfall.
Verazol enters with a +1/+1 counter on it for each mana spent to cast it. Whenever you cast a kicked spell, you may remove two +1/+1 counters from Verazol. If you do, copy that spell. You may choose new targets for the copy. (A copy of a permanent spell becomes a token.)