Voice of Resurgence is a mythic Creature — Elemental card from Modern Masters 2017 (MM3), collector number 200. Current market price: $1.77 (foil $3.99), 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."