Philosopher's Ambrosia

{1}, {t}: Discard a card with a single card type
from your hand and attach it to Philosopher's Ambrosia. If more than five cards would be attached this way, send an already attached card
to the graveyard.
{t}, Sacrifice Philosopher's Ambrosia: If there are five different card types among the cards attached to Philosopher's Ambrosia using its first ability, you win the game.
The secret to immortality, I must have it!