Knowledge Everlasting

You have no maximum hand size, but you lose
the game if you end your turn with 20 or more
cards in your hand.
At the beginning of each of your end steps, place
a charge counter on Knowledge Everlasting, then
draw a number of cards equal to the number of
charge counters on Knowledge Everlasting.
"A wizard to the world is like a dreamer to a dream:
they can alter it, but too much change and they will
wake up."