Simic Dragon Tamer

Whenever a Beast, Dragon, Drake, Giant, Hydra, Kraken, or Leviathan creature enters the battlefield, put a +1/+1 counter on each creature you control.
Beast, Dragon, Drake, Giant, Hydra, Kraken, and Leviathan creatures you control have hexproof.
"With magic and science, one can conquer even the largest of foes."