Evolving Bio-Suit

Equipped creature has evolve.
When equipped creature leaves play, Evolving
Bio-Suit becomes a 0/0 green construct artifact
creature with X +1/+1 counters on it, where X is
the amount of +1/+1 counters on that equipped
creature. When Evolving Bio-Suit dies, return it
to the field under its owner's control.
Equip {3}