Ulamog terror in a new form

Flying annihilator 20 protection from creatures with colors in their mana cost (including creatures with devoid) indestructible protection from being taken control by opponents and board wipes
Whenever Ulamog terror in a new form attacks or blocks destroy a creature you don’t control. This creature costs {1} less to cast for each creature you control

“I thought Ulamog was dead!” Ugin the spirit dragon