Harmony of Nature
{2}{G}
Sorcery
Tap any number of untapped creatures you control. You gain 4 life for each creature tapped this way.
Jaddi Lifestrider
{4}{G}
Creature -- Elemental
2/8
When ~this~ enters, you may tap any number of untapped creatures you control. You gain 2 life for each creature tapped this way.
Marshaling the Troops
{1}{G}
Sorcery
Tap any number of untapped creatures you control. You gain 4 life for each creature tapped this way.