Katishka, the God of Memes

At the beginning of your upkeep, exile an instant
or sorcery card from your graveyard. Create an
X/X Illusion creature token, where X is the converted mana cost of that card.
{c}, Discard a sorcery card: you gain life
equal to the amount of damage that card
deals according to its oracle.
{p/u}{p/u}{p/u}: Choose an ability of the target
permanent an opponent controls. Katishka,
the God of Memes gains the chosen ability
until end of turn.