Kylo Ren, Jedi Killer

Partner With Rey, The Last Jedi
Whenever you cast or copy a spell you don't own, target opponent loses 2 life.
{t}: Destroy target creature with mana value 2 or
less, then exile that creature card from its owner's graveyard. As long as that card remains in exile,
you may cast it and spend mana as though it were
mana of any type to cast that spell.