Dark Ritual [30th Anniversary Edition] Vedalken Artificer defending player sacrifices a creature

defending player sacrifices a creature with the least power among creatures they control

proliferate twice instead

Whenever you roll a 6

Set: Commander Masters Type: Legendary Creature — Dragon Avatar Rarity: Mythic Cost: {4}{W}{U}{B}{R}{G} Eminence — As long as The Ur-Dragon is in the command zone or on the battlefield

Set: Multiverse Legends Type: Legendary Creature — Human Rogue Rarity: Uncommon Cost: {1}{U} Creatures you control with power or toughness 1 or less can't be blocked

Dark Ritual [30th Anniversary Edition] Vedalken Artificer defending player sacrifices a creatureSet: 30th Anniversary Edition Type: Instant Rarity: Common Cost: {B} Add {B}{B}{B}.