Otharri, Suns' Glory: Phyrexia: All Will Be One Commander Modern Masters 2015 That creature becomes a Mutant

That creature becomes a Mutant in addition to its other types

(They can't be blocked except by two or more creatures

you may put Nether Shadow onto the battlefield

Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card

Otharri, Suns' Glory: Phyrexia: All Will Be One Commander Modern Masters 2015 That creature becomes a MutantFlying, 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.