as an additional cost to cast soul exchange, 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.
as an additional cost to cast soul exchange, 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.