Hidden-Garden Naturalist

(For each colored mana symbol in this spell's mana
cost or activated abilities, you may pay {2} instead.)
{1}{w}{g}: Hidden-Garden Naturalist gains lifelink
and trample until end of turn.
Whenever you cast your first spell on each of your turns, Hidden-Garden Naturalist gets +X/+X
until end of turn where X is the amount of mana
you spent to cast it.