Trap Digger is a rare Creature — Human Soldier card from Scourge (SCG), collector number 24. Current market price: $0.18 (foil $2.00), TCGplayer market prices via Scryfall.
{2}{W}, {T}: Put a trap counter on target land you control. Sacrifice a land with a trap counter on it: This creature deals 3 damage to target attacking creature without flying.