From Scrolls Wiki
Christmas 2013 Art
Cannon Automaton had a special scroll art and on-field appearance from December 18, 2013 to January 16, 2014.
- Feb. 19th, 2015: Health changed from 4 to 5.
- Oct. 4th, 2012: 0.72 alpha: Cannon Automaton's rarity was changed from Common to Uncommon.
- Sep. 13th, 2012: 0.71 alpha: Cannon Automaton's cost and unit animation were changed from 5 to 6 .
- Jul. 6th, 2012: Seen in the alpha version of Scrolls.