Erebos, God of the Dead [Theros] Elemental Incarnation (Your devotion to a color

(Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control

When Ancestral Knowledge enters the battlefield

(It can't be blocked as long as defending player controls a Forest

Heir to Blackblade's power and toughness are each equal to the number of Swamps you control

the Ruin Sage

Erebos, God of the Dead [Theros] Elemental Incarnation (Your devotion to a colorSet: Theros Type: Legendary Enchantment Creature God Rarity: Mythic Cost: {3}{B} Indestructible As long as your devotion to black is less than five, Erebos isn't a creature. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.) Your opponents can't gain life. {1}{B}, Pay 2 life: Draw a card.