Soul Collector

Flying
Whenever a creature dealt damage by this creature this turn dies, return that card to the battlefield under your control.
Morph {B}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Magic Online Promos

Time Spiral Timeshifted

Flying
Whenever a creature dealt damage by Soul Collector this turn is put into a graveyard, return that card to play under your control.
Morph {B}{B}{B} (You may play this face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Scourge

Scourge Promos

The ability only triggers if this card is face up at the time the creature is put into the graveyard.

Morph

(You can cover a face-down creature with this reminder card.
A card with morph can be turned face up any time for its morph cost.)