How many Enchantresses?

Whenever an enchantment enters the battlefield
under a players control that player draws 5 cards.
All players max hand size is set to 3.
Any other card or effect that would change a
players hand size don't as long as this plane is in
play
Chaos: Each enchantment gains, "{t}exile the top
card of your library face down. Put that card into
your hand at the beginning of the next upkeep."
until end of turn.