Kaden, Architect Master

+1: Create two Blueprint artifact tokens with 'Sacrifice this artifact: create a 0/4 Building with defender.'
-X: Create X 3/2 Bulldozers with trample.
-8: Create a 10/10 castle with reach, first strike defender, Hexproof, and 'at the beginning of your upkeep, create two 2/2 soldiers with vigilance.