Restless Vents (Promo Pack) [The Lost Caverns of Ixalan Promos]

Restless Vents enters the battlefield tapped.

T: Add B or R.

1BR: 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.