It also wont copy counters on the targeted creature
Designed to hold up to 60 double sleeved cards
After it triggers in your upkeep, you can look at the top card of their library and you can cast it with your mana as though it were mana of any color, so if you flip over Lightning Bolt you can tap an Island and cast it
Obviously, that number was hyperbolic, but then I wondered after the fact if I could indeed come up with a list that large off the top of my head
However, if you were down to a single digit life total and your opponent was near 17, it would make sense that they not ante an additional card for a mere three life
Inti only lets us play those cards until the beginning of our next end step, so the key to maximizing our chances of playing each card we exile is by discarding outside of our own turn, so we have all our mana available next turn to cast the exiled cards