From Scrolls Wiki
Illthorn has Spiky 1.
Illthorn is included twice in the Growth Preconstructed.
- Dec. 3rd, 2014: Health increased from 3 to 4.
- Aug. 21st, 2012: Retaliate changed to Spiky.
- Jul. 6th, 2012: Seen in the alpha version of Scrolls.