Merason, Swamp Dweller

Hexproof
Whenever a swamp card is put into your
graveyard, put a +1/+1 counter on Merason.
"Theres a beast that dwells down here in these
swamps. It follows me around, but never makes a
single sound. It's as quite as the wind and as
dangerous as a swamp snake. Watch your back Rigo,
it's watching us"
- Giro, the Mindless