Mestia, The Dream Giver

Flying, Dreamborn (This spell costs {4} less to cast
from outside the game)
Each player has no maximum handsize
Whenever another player would draw a card,
they may draw an additional card. If they do,
you may also draw a card. Whenever another
player plays a land, they may play an additional
one. If they do, put a land from your hand to the battlefield tapped.