Phyrexian Altar [Invasion] Fifth Dawn you may pay {B}

you may pay {B}

Sacrifice Glen Elendra Archmage: Counter target noncreature spell

Set: Alpha Edition Type: Instant Rarity: Rare Cost: {U} Change the text of target spell or permanent by replacing all instances of one basic land type with another

This ability can't cause the total number of +1/+0 counters on Clockwork Beast to be greater than seven

Set: Dominaria Type: Legendary Artifact — Equipment Rarity: Rare Cost: {4} At the beginning of combat on your turn

Phyrexian Altar [Invasion] Fifth Dawn you may pay {B}Set: Invasion Type: Artifact Rarity: Rare Cost: {3} Sacrifice a creature: Add one mana of any color. "Your life was meaningless, but your death will glorify Yawgmoth." Tsabo Tavoc