Umbra Stalker [Eventide] Phyrexian Horror Mercenary Set: Torment Type: Sorcery Rarity:

Set: Torment Type: Sorcery Rarity: Common Cost: {1}{B}{B} Target creature gets -2/-2 until end of turn

I found their training to be remarkably similar

madness ends in one of two ways: clarity

Zendikar's elves have developed innovative methods to mitigate the effects of the Roil

Umbra Stalker [Eventide] Phyrexian Horror Mercenary Set: Torment Type: Sorcery Rarity:Set: Eventide Type: Creature Elemental Rarity: Rare Cost: {4}{B}{B}{B} Chroma Umbra Stalker's power and toughness are each equal to the number of black mana symbols in the mana costs of cards in your graveyard. Don't venture into the darkness, lest it decide not to let you leave.