This happens before the original spell resolves
Jolrael, Mwonvuli Recluse Like many blue cards, Jolrael, Mwonvuli Recluse gives you incentive to draw two or more cards a turn, rewarding you with 2/2 cats
Activate only if you have 111 or more life
From there you can spend your mana to kill your opponents with tons of the combo pieces like Makeshift Munitions, Hissing Iguanar, or Flamewave Invoker
Profane Tutor One of the things I dislike the most about tutors is not having the mana to cast both the tutor spell and the one I search for, but Profane Tutor circumvents this neatly
If your opponent discards a card while you control Leyline of the Void, abilities that check whether a card is discarded (such as Hollow One, or a madness ability of the discarded card) still work, even though that card never reaches that player's graveyard