blue background cards mtg Backgrounds Seize The Spotlight In Baldur's Gate Commander All Background Enchantments in MTG

The Scrap Trawlers have a series of upgrade guides and primers for each of these decks over on EDHREC

Enchantment Color tag templates(None) Animate Dead Enchant creature card in a graveyard When this Aura enters, if it's on the battlefield, it loses "enchant creature card in a graveyard" and gains "enchant creature put onto the battlefield with this Aura." Return enchanted creature card to the battlefield under your control and attach this Aura to it

That's a lot working against them, but not enough to turn Commander players away from giant sea creature decks

I know humans lists are stacked, and the meta is stacked against them to boot, but 5-color humans decks do occasionally pull down MTGO Modern challenges these days