42

Whenever there are 42 cards left in your deck, 42 words on a card, 42 letters on an opponents card, 42 letter "E"s on a card, or anything involving the number 42, you may activate the following ability for free.
{t}, {10}: Tap target creature for 42 turns.
I've been waiting for the answer to life, the universe and everything for 42 billion years and HERE IT IS FINALLY...