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.”
Near Mint - $1.000
Lightly Played - $800
Moderately Played - $700
Heavily Played - $600
Damaged - $500
Near Mint Spanish - $1.000
Lightly Played Spanish - $800
Moderately Played Spanish - $700
Heavily Played Spanish - $600
Damaged Spanish - $500