Altar of Dementia [Modern Horizons] Aura // Legendary Land Underground River deals 1 damage

Underground River deals 1 damage to you

Jiang Wei alone still strove with might and main: / Nine times more he fought the north—in vain

Set: Black & White: Base Set Type: Lightning Rarity: Ultra Rare Retreat cost: Colorless

Set: Team Rocket Unlimited Type: Water Rarity: Holo Rare Retreat cost: Colorless

For Crovax

Altar of Dementia [Modern Horizons] Aura // Legendary Land Underground River deals 1 damageSet: Modern Horizons Type: Artifact Rarity: Rare Cost: {2} Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power. "It is not that you will go mad. It is that you will beg for madness." Volrath