Arcanis, Almighty Archmage

{u}{u}{u}: Draw four cards, then discard two cards.
Discard X cards: Counter target spell with converted mana cost X.
Discard five cards: Create a token that's a copy of Arcanis, except it has haste. Exile it at the beginning of the next endstep.
If Arcanis would die, instead exile him and draw seven cards.