Sparkhunter Masticore is a rare Artifact Creature — Masticore card from Core Set 2021 (M21), collector number 240. Current market price: $0.22 (foil $0.19), TCGplayer market prices via Scryfall.
As an additional cost to cast this spell, discard a card. Protection from planeswalkers {1}: This creature deals 1 damage to target planeswalker. {3}: This creature gains indestructible until end of turn.