Altar of Dementia (Retro) [The Brothers' War Retro Artifacts] Elder Dinosaur ) Whenever an opponent sacrifices

) Whenever an opponent sacrifices a nontoken permanent

Set: Core Set 2021 Prerelease Promos Type: Creature — Dragon Rarity: Mythic Cost: {3}{R}{R} Flying

Set: Modern Horizons 2 Prerelease Promos Type: Artifact Creature — Assembly-Worker Rarity: Rare Cost: {3} If you would create a Clue

Brazen Borrower can block only creatures with flying

Altar of Dementia (Retro) [The Brothers' War Retro Artifacts] Elder Dinosaur ) Whenever an opponent sacrificesSet: The Brothers' War Retro Artifacts Type: Artifact Rarity: Mythic 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