Bag of Necrotic Summoning

This small dusty bag radiates pure necrotic magic. You can reach into the bag (one action in combat) to pull out a small green pulsing orb. Throw it on the ground and roll a d6 to determine the undead that is summoned it is loyal to you and your companions and stays until it "Dies" 

1. Normal humanoid Zombie

2. Normal humanoid skeleton

3. Ogre Zombie 

4. Minotaur Skeleton 

5. 1d6+ Wis modifier skeletons 

6. 1d20 + Wis score skeletons