Flux Forest

If you ever control more permanents with Flux counters on them then your devotion to green,
exile permanents until you don't.
{x}{t}: Choose a permanent with converted mana
cost X and put a copy of that card onto the battlefield under your control, it is an elemental
in addition to it's other types and if it is a
creature it becomes a 5/5 and gains defender. Put
a Flux counter on it.