The Mysterious Door

Whenever a creature deals combat damage, sacrifice The Mysterious Door.
On each player's draw step, that player
draws an additional 2 cards.
---{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}
"The door seems to whisper to those who dare to approach."