Contagion Engine [The List] Avatar Horror When Enduring Tenacity dies

When Enduring Tenacity dies

Each creature you tap while casting this spell pays for {1} or one mana of that creature's color

where I will feast forever among valkyries and heroes

Set: Duskmourn: House of Horror Type: Enchantment Creature — Avatar Horror Rarity: Mythic Cost: {4}{R}{R} Impending 4—{2}{R}{R} (If you cast this spell for its impending cost

Ketria Triome enters the battlefield tapped

Contagion Engine [The List] Avatar Horror When Enduring Tenacity diesSet: The List Type: Artifact Rarity: Rare Cost: {6} When Contagion Engine enters the battlefield, put a 1 1 counter on each creature target player controls. {4}, {T}: Proliferate, then proliferate again. (Choose any number of permanents and or players, then give each another counter of each kind already there. Then do it again.)