Once enough damage has been done to a character to equal or surpass its willpower (which is located in the shield icon of the card), they are sent to their players discard pile
Unspeakable Symbol is one of the best cards in this deck
Titan of Littjara is a card that any typal deck might want, as it becomes any creature type when it enters the battlefield and can then draw a card for each card of the chosen creature type you control when it attacks or when it entered the battlefield
(You must still do anything else required for that attack.) Mew performs that attack
Assuming youve got five mana the turn after Ojer Axonil is played, even if youve just got five spells that deal one damage each, suddenly youve got 20 damage in hand with nothing else needed
While it works as an alternate kill condition is relevant, it isnt exactly how you want to be thinking of things in terms of a plan. Of course, that is being gentle