Breathkeeper Seraph - [Foil] Crimson Vow Commander (VOC) EMN Morph {3}{B}{B} (You may cast

Morph {3}{B}{B} (You may cast this card face down as a 2/2 creature for {3}

defending player sacrifices two permanents

you may put it onto the battlefield

"In all my years of research

Breathkeeper Seraph - [Foil] Crimson Vow Commander (VOC) EMN Morph {3}{B}{B} (You may castFlying, soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.) As long as Breathkeeper Seraph is paired with another creature, each of those creatures has "When this creature dies, you may return it to the battlefield under its owner's control at the beginning of your next upkeep."