Miner's Bane is a common Creature — Elemental card from Magic 2015 (M15), collector number 157. Current market price: $0.04 (foil $0.20), TCGplayer market prices via Scryfall.
{2}{R}: This creature gets +1/+0 and gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)