When Centaur Nurturer enters the battlefield, you gain 3 life,
t: Add one mana of any color.
Whenever another Elf enters the battlefield under your control, put a +1/+1 counter on Marwyn, the Nurturer.
T: Add an amount of G equal to Marwyn's power.
T: Add an amount of G equal to Marwyn’s power.
Whenever a player casts a green spell, you may pay 1. If you do, target creature gets +1/+1 until end of turn.
At the beginning of your end step, if you control a creature with power 5 or greater, you may gain 2 life.
T: Add C.