Ugin, Soul Summoner

-1: Turn target creature face down. It becomes a 2/2 creature. If you control an artifact, gain control of that creature. You may transform Ugin.
-3: You get an emblem with "At the beginning of your upkeep, put a 1/1 colorless spirit creature token with skulk onto the battlefield."
-10: Put X 1/1 colorless spirit creature tokens with skulk onto the battlefield where X is the number of creatures you control.