be33659081
[card]
name=Phyrexian Soulgorger
auto=cumulativeupcost[{S(creature|myBattlefield)}] sacrifice
text=Cumulative upkeep - Sacrifice a creature. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
mana={3}
type=Snow Artifact Creature
subtype=Construct
power=8
toughness=8
[/card]
was only charging you 1 sacrifice per upkeep.
added thisTargetComparison, this(cantargetcard(targetchooser))...its a thisdescriptor that compares if the card can be targeted by a target chooser...