Otharri, Suns' Glory: Phyrexia: All Will Be One Commander Modern Masters 2015 Commander creatures you own have

Commander creatures you own have "Whenever you cast a spell that shares a creature type with this creature

each player returns to the battlefield all cards they own exiled with Parallax Tide

you may put Nether Shadow onto the battlefield

(You expend 4 as you spend your fourth total mana to cast spells during a turn

That creature becomes a Mutant in addition to its other types

Otharri, Suns' Glory: Phyrexia: All Will Be One Commander Modern Masters 2015 Commander creatures you own haveFlying, lifelink, haste Whenever Otharri, Suns' Glory attacks, you get an experience counter. Then create a 2 2 red Rebel creature token that's tapped and attacking for each experience counter you have. {2}{R}{W}, Tap an untapped Rebel you control: Return Otharri from your graveyard to the battlefield tapped.