Shai-Hulud

Hexproof, Reach, Trample
Creatures must block Shai-Hulud if able.
When Shai-Hulud becomes blocked, it gains +1/+1 until the end of turn for each creature blocking it.
"Bless the Maker and His water. Bless the coming and going of Him. May His passage cleanse the world. May He keep the world for His people."