So the people that I play magic with we want to challenge ourselves and we kind of want to have some fun so we threw the idea of making a deck around a custom Commando that we made now I've only been back it's magic for about 2 years so they kind all the help me with one and we came up with this

Sidathar, Essence Warper 2, WRB Legendary Enchantment Creature - Demon If a spell or ability would cause a player to lose life, that player gains that much life instead. If a spell or ability would cause a player to gain life, that player lose that much life instead.

3/3

I kinda need help building around it and do u think its to powerful or to week