The Supremacy

If you control a Snoke, Supreme Leader planeswalker, summon the Supremacy without paying its mana cost.
{t},{x}, Create X amount of 2/2 Stormtrooper tokens with vigilance. Untap The Supremacy.
{t},{b},{b}, Search your deck for Kylo Ren, World Killer, and play it without paying its mana cost.