Vigor [Battlebond] Plains whenever either of those creatures

whenever either of those creatures deals combat damage

Set: Modern Masters 2017 Type: Enchantment Rarity: Rare Cost: {2}{R} Nonbasic lands are Mountains

Set: Commander Anthology Volume II Type: Artifact Rarity: Rare Cost: {5} {T}: Choose any number of target creatures

" —King Darien of Kjeldor

You may spend blue mana as though it were mana of any color to pay the activation costs of Quicksilver Elemental's abilities

Vigor [Battlebond] Plains whenever either of those creaturesSet: Battlebond Type: Creature Elemental Incarnation Rarity: Rare Cost: {3}{G}{G}{G} Trample If damage would be dealt to another creature you control, prevent that damage. Put a +1 +1 counter on that creature for each 1 damage prevented this way. When Vigor is put into a graveyard from anywhere, shuffle it into its owner's library.