Nylea's Guardian

Haste, Protection from Multicolor
When Nylea's Guardian enters the battlefield, put a number of +1/+1 counters on target creature equal to your devotion to green. (Each {g} in the mana costs of permanents you control counts toward your devotion to green.)
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"Those with Nylea's blessing are among the fiercest in battle."-Anthousa, Setessan Hero