G-13 X Hash Plant (Heals: Pain, Insomnia, Anxiety, Stress / Medical: Glaucoma, Anorexia, Nausea, Arthritis / Effects: Relaxed, Happy, Sleepy, Euphoric) Mr. Nice or Mr. Nice Guy is an Indica-dominant cross between the legendary G-13 strain and the Hash Plant. This Indica-dominant plant has extremely dense buds with a sweet smell. Mr. Nice will provide you with a calming, relaxing, mellow high that frequently elevates mood. This strain is recommended for use later in the day or at night. It’s bodily effects may ease even severe aches and pains. Mr. Nice, like many strong Indicas, is often used by patients suffering from insomnia. Humble Root Says: “This lovely strain is very relaxing, relieves great amounts of pain, and is not too heavy so you can have a productive day.