Professor Oak's New Theory (101/123) (League Promo) [HeartGold & SoulSilver: Base Set] GERMA 66 [When Attacking] Give up to

[When Attacking] Give up to 1 of your opponent's Characters -4 cost during this turn

there may be hope

Set: Sun & Moon: Cosmic Eclipse Type: Grass Rarity: Secret Rare Retreat cost: Colorless

Set: March of the Machine: The Aftermath Type: Enchantment Rarity: Rare Cost: {U} Activated abilities of creatures you control cost 2 less to activate

Set: The Lord of the Rings: Tales of Middle-Earth Commander Type: Artifact Rarity: Mythic Cost: {3} Creatures with power greater than the number of cards in your hand can't attack

Professor Oak's New Theory (101/123) (League Promo) [HeartGold & SoulSilver: Base Set] GERMA 66 [When Attacking] Give up toSet: HeartGold & SoulSilver: Base Set Type: Supporter Rarity: Promo