Lord of the Pit [Collectors' Edition] Magic Origins the player puts it into

the player puts it into their graveyard

Set: Masters 25 Type: Creature — Phyrexian Horror Rarity: Mythic Cost: {B}{B}{B}{B} Trample

Set: Shadowmoor Type: Sorcery Rarity: Rare Cost: {6}{B} Starting with you

where X is the number of colors among those creatures

Counters remain on Skullbriar as it moves to any zone other than a player's hand or library

Lord of the Pit [Collectors' Edition] Magic Origins the player puts it intoSet: Collectors' Edition Type: Creature Demon Rarity: Rare Cost: {4}{B}{B}{B} Flying, trample At the beginning of your upkeep, sacrifice a creature other than Lord of the Pit. If you can't, Lord of the Pit deals 7 damage to you.