Immersturm Skullcairn

This land enters tapped. {T}: Add {B}. {1}{B}{R}{R}, {T}, Sacrifice this land: It deals 3 damage to target player. That player discards a card. Activate only as a sorcery.

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6o49lo1x67pb1hzojasi6u.