Restless Vents | Promo Pack: The Lost Caverns of Ixalan

Restless Vents enters the battlefield tapped.
{T}: Add or .
: Until end of turn, Restless Vents becomes a 2/3 black and red Insect creature with menace. It's still a land.
Whenever Restless Vents attacks, you may discard a card. If you do, draw a card.