Flametongue Yearling is a uncommon Creature — Kavu card from Modern Horizons 2 (MH2), collector number 350. Current market price: $0.13 (foil $0.18), TCGplayer market prices via Scryfall.
Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.) This creature enters with a +1/+1 counter on it for each time it was kicked. When this creature enters, it deals damage equal to its power to target creature.