Voice of Resurgence is a rare Creature — Elemental card from The List (PLST), collector number 2XM-227. Current market price: $0.35, TCGplayer market prices via Scryfall.
Whenever an opponent casts a spell during your turn and when this creature dies, create a green and white Elemental creature token with "This token's power and toughness are each equal to the number of creatures you control."