Spawning Bed is a uncommon Land card from Modern Horizons 3 Commander (M3C), collector number 380. Current market price: $0.37, TCGplayer market prices via Scryfall.
{T}: Add {C}. {6}, {T}, Sacrifice this land: Create three 1/1 colorless Eldrazi Scion creature tokens. They have "Sacrifice this token: Add {C}."