Oni Seeds (GMO x Sour Dubb) Black Garlic is a gas lover’s best friend. Small, long, pointy lime-green buds are covered in sandy trichomes and reek of onions, fresh skunk spray, potent garlic, and rubber tires. GMO fans will recognize it immediately, but the Sour Dubb adds a GG4 aspect to it that makes it even more comprehensive. Very potent and heavy hitting, she delivers what would be expected from the lineage.