Arzakon
{W}{U}{B}{R}{G}Legendary Planeswalker — Arzakon
+2: Arzakon deals 3 damage to any other target. −3: Create a Black Lotus token. (It's a {0} artifact with "{T}, Sacrifice this token: Add three mana of any one color.") −7: Each player shuffles their hand and graveyard into their library, then draws seven cards. Arzakon can be your commander.