Simic, the Parun Evolutionist

Hexproof
Other creatures you control have Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)
Whenever one or more +1/+1 counters would be put on another creature you control, put that many +1/+1 counters on Simic, the Parun Evolutionst.