Lilysplash Mentor is a uncommon Creature — Frog Druid card from Bloomburrow (BLB), collector number 222. Current market price: $0.30 (foil $0.34), TCGplayer market prices via Scryfall.
Reach {1}{G}{U}: Exile another target creature you control, then return it to the battlefield under its owner's control with a +1/+1 counter on it. Activate only as a sorcery.