Mycoloth [Commander 2015] Conspiracy put one of those cards

put one of those cards on top of your library and the rest on the bottom of your library in any order

They can't be regenerated

Set: Amonkhet Promos Type: Artifact Rarity: Rare Cost: {4} {2}

It's a helm that leaves the head at its most vulnerable

Mycoloth [Commander 2015] Conspiracy put one of those cardsSet: Commander 2015 Type: Creature Fungus Rarity: Rare Cost: {3}{G}{G} Devour 2 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with twice that many +1 +1 counters on it.) At the beginning of your upkeep, create a 1 1 green Saproling creature token for each +1 +1 counter on Mycoloth.