Forcefield
Artifact
: The next time an unblocked creature of your choice would deal combat damage to you this turn, prevent all but 1 of that damage.
Dan Frazier
Collectors' Edition (CED)
• #244Rulings
This can’t be used to prevent damage caused by a blocked creature with Trample ability.
(wotc • 2004-10-04)
Rulings
This can’t be used to prevent damage caused by a blocked creature with Trample ability.
(wotc • 2004-10-04)