Dizzy, Patron of Ideas

Players have no maximum hand size limit.
During at the beginning of your upkeep, if an opponent has less than 7 cards in their hand,
Dizzy, Patron of Ideas has Hexproof and Indestructible until the start of your next upkeep.
When you cast a spell during an opponents turn,
your opponent may draw a card. If they do, draw
a card.