Your opponent: Negate its effects until the end of this turn
Converting one piece of fodder into two gives a sacrifice deck an absurd amount of value and lets your other sacrifice outlets take over the game twice as fast
Regardless of where you come down in that discussion, the fact remains that there used to be a mechanic in the game of Magic: The Gathering that turned artifacts on and off
Hakbal has a tried and true design of putting card advantage and ramp on your commander, and the first ability scales with how many Merfolk you have on board
Since Phylath requires you to have a ton of basics, Blood Moon, Magus of the Moon, and Ruination become easy includes to slow your opponents down
Raphael, Fiendish Savior Raphael, Fiendish Savior is a demon/imps/tiefling tribal commander who creates 1/1 red devils whenever a creature entered a graveyard during any turn