You just need some way to gain life or make an opponent lose life, and it's game over
Despite their inspiration, they are neither Divine-Beasts nor DIVINE monsters
AR describes the card rarity, not the condition or future grade
Commissar Severina Raine addresses this by causing all your opponents to lose life in the combat phase, regardless of whos getting attacked
Molimo, Maro-Sorcerer From 10th Edition Rare Trample (If this creature would assign enough damage to its blockers to destroy them, you may have it assign the rest of its damage to defending player or planeswalker.) Molimo, Maro-Sorcerer's power and toughness are each equal to the number of lands you control
Marchesa, the Black Rose Marchesa, the Black Rose is the reason I mentioned other non-typal commanders as possible pirate commanders