Increase one ability score by 1 and a different ability score by 2 

You are an Ooze

You blindsight out to a range 60 feet. You are blind this radius.

You have an AC of 18 while you are not wearing armour. You cannot add Dexterity Modifier to your unarmoured AC.

You can fit through a space as narrow as 1 inch wide without squeezing 

You have advantage on saving throws against spells and other magical effects 

You have resistance to acid, necrotic and poison damage. You also have advantage on d20 tests against being grappled poisoned and restrained. You are also immune to the prone condition.

You have a pseudopod which you can use to attack with. It deals 1d8 force damage

You can jse your action to engulf a creature that is at least 1 size smaller than you as your action. When you engulf the creature it has to make a constitution save Dc 8 + your proficiency bonus + constitution modifier or take 2d8 force damage or half as much on a successful save. The damage increases to 3d8 at level 5, 4d8 at level 11 and 5d8 at level 17. You can use this feature a number times equal to your proficiency bonus per long rest.