Contagion Engine [The List] Avatar Horror Equipped creature gets +1/+1 and

Equipped creature gets +1/+1 and has double strike and trample

And what dies grows the tarmogoyf

Ketria Triome enters the battlefield tapped

exile six cards from your graveyard

Set: The List Type: Instant Rarity: Rare Cost: {U} Counter target instant or sorcery spell unless its controller pays 1

Contagion Engine [The List] Avatar Horror Equipped creature gets +1/+1 andSet: 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.)