cards like impact tremors mtg | Foundations copy it for each time youve cast your commander from the command zone this game Impact Tremors (313) - Magic:

You gain life, create tokens, and remove all other creatures with an X value over five

Hissing Iguana 6/10 This is the red Blood Artist

Equipped creature has "Whenever you gain life, this creature gets +X/+X until end of turn, where X is the amount of life you gained." Equip Equipped creature has "Whenever you gain life, this creature gets +X/+X until end of turn, where X is the amount of life you gained." Equip Artifact - Equipment Glamdring Equipped creature has first strike and gets +1/+0 for each instant and sorcery card in your graveyard

The biggest threats to this deck are lifegain strategies and go-wide creature decks, so you have many pieces to combat those strategies