search for a legendary card mtg Rarity: U, Supertype: Legendary, Type: Creature, 731 cards MtG Ixalan Rare Azcanta, the

There are a very limited umber of "cards with a moon in their art" that are mono-black, but the ones you do have access to are pretty interesting

Atraxa, Praetors Voice Its hard to beat Atraxa, Praetors' Voice, the best proliferate commander in the game, when it comes to infect decks

Phyrexian Praetors Like the Eldrazi, the praetors of Phyrexia carry five unique and powerful auras about them that are greatly reflected in their cards design, flavor text, and art

Aura Flux will do what Power Leak does, but on a much larger scale and with the ability to actually get rid of the enchantments

Assuming you don't get countered

That lets you keep refilling your hand, though youll probably want other tempted by the ring effects floating around too