Ileana, the Avid Genius

Haste.
{x}{u}{r}, {t}: All other creatures with converted mana cost twice X or less, has "When this creature becomes the target of a spell or ability, sacrifice it." Until end of turn.
Exile target instant or sorcery from your graveyard: Deal 1 damage to target creature.
"Oh, don't worry. If I add just a little more of this, and combine it with- oops... Sorry."