Card Guard (BP03-EN065) - Battle Pack 3: Monster League 1st Edition

When this card is Normal Summoned or Special Summoned, place 1 Guard Counter on it. This card gains 300 ATK for every Guard Counter on it. Once per turn, you can remove 1 Guard Counter from this card and place it on 1 other face-up card you control. If that card would be destroyed, remove the Guard Counter instead.