Fangs of Kalonia

(1) (G) 

Put a +1/+1 counter on target creature you control, then double the number of +1/+1 counters on each creature that had a +1/+1 counter put on it this way.
Overload (4)(G)(G) (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

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