The Leviathan

+2: Equip a mod to this card, create a 2/2 token called Body part with "When you equip a mod to this creature add a +1/+1 counter" and add the mod
-20: Create 4 5/5 tokens called Shielded body parts with thorns 1, you gain a thorns 5 counter then exile this card
-X: X number of creatures gain thorns 3 until your next end step (This can be your commander if you have 8 or more "body" creatures in your deck)