Masters Edition II

Soul Exchange

As an additional cost to play Soul Exchange, remove a creature you control from the game.
Return target creature card from your graveyard to play. Put a +2/+2 counter on that creature if the removed creature was a Thrull.

As an additional cost to cast this spell, exile a creature you control.
Return target creature card from your graveyard to the battlefield. Put a +2/+2 counter on that creature if the exiled creature was a Thrull.

Fallen Empires

Sacrifice a creature, but remove it from the game instead of putting it in your graveyard. Take a creature from your graveyard and put it directly into play as though it were just summoned. Put a +2/+2 counter on this creature if the creature sacrificed was a Thrull.