Erebos, God of the Dead — ruling 1

If an effect causes a God to lose all abilities, its ability that causes it to stop being a creature still applies if appropriate.

Erebos, God of the Dead — ruling 2

If a God stops being a creature, it loses the type creature and the creature type God. It continues to be a legendary enchantment.

Erebos, God of the Dead — ruling 3

The abilities of Gods function as long as they're on the battlefield, regardless of whether they're creatures.

Erebos, God of the Dead — ruling 4

If a God is attacking or blocking and it stops being a creature, it will be removed from combat. It won't rejoin combat if it resumes being a creature later during that combat.

Erebos, God of the Dead — ruling 5

Counters put on a God remain on it while it's not a creature, even if they have no effect.

Erebos, God of the Dead — ruling 6

The type-changing ability that can make a God not be a creature functions only on the battlefield. It's always a creature card in other zones, regardless of your devotion to its color. It's always a creature spell while it's on the stack.

Erebos, God of the Dead — ruling 7

As a God enters the battlefield, your devotion to its color will determine whether any replacement effects that affect creatures entering the battlefield apply to that God. Because replacement effects are considered before the God is on the battlefield, the mana symbols in its mana cost won't be counted when determining this.

Erebos, God of the Dead — ruling 8

When a God enters the battlefield, your devotion to its color (including the mana symbols in the mana cost of the God itself) will determine if a creature entered the battlefield or not for abilities that trigger whenever a creature enters the battlefield.

Erebos, God of the Dead : règles, fonctionnement et interactions (MTG)

Erebos, God of the Dead is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

Official card text

Indestructible As long as your devotion to black is less than five, Erebos isn't a creature. (Each in the mana costs of permanents you control counts toward your devotion to black.) Your opponents can't gain life. , Pay 2 life: Draw a card.

How it works : Erebos, God of the Dead

Original English text — Wizards of the Coast / Scryfall

#1January 24, 2020· Wizards of the Coast
If an effect causes a God to lose all abilities, its ability that causes it to stop being a creature still applies if appropriate.
No other card is named in this ruling.
#2January 24, 2020· Wizards of the Coast
If a God stops being a creature, it loses the type creature and the creature type God. It continues to be a legendary enchantment.
No other card is named in this ruling.
#3January 24, 2020· Wizards of the Coast
The abilities of Gods function as long as they're on the battlefield, regardless of whether they're creatures.
No other card is named in this ruling.
#4January 24, 2020· Wizards of the Coast
If a God is attacking or blocking and it stops being a creature, it will be removed from combat. It won't rejoin combat if it resumes being a creature later during that combat.
No other card is named in this ruling.
#5January 24, 2020· Wizards of the Coast
Counters put on a God remain on it while it's not a creature, even if they have no effect.
No other card is named in this ruling.
#6January 24, 2020· Wizards of the Coast
The type-changing ability that can make a God not be a creature functions only on the battlefield. It's always a creature card in other zones, regardless of your devotion to its color. It's always a creature spell while it's on the stack.
No other card is named in this ruling.
#7January 24, 2020· Wizards of the Coast
As a God enters the battlefield, your devotion to its color will determine whether any replacement effects that affect creatures entering the battlefield apply to that God. Because replacement effects are considered before the God is on the battlefield, the mana symbols in its mana cost won't be counted when determining this.
No other card is named in this ruling.
#8January 24, 2020· Wizards of the Coast
When a God enters the battlefield, your devotion to its color (including the mana symbols in the mana cost of the God itself) will determine if a creature entered the battlefield or not for abilities that trigger whenever a creature enters the battlefield.
No other card is named in this ruling.
#9September 15, 2013· Wizards of the Coast
Mana symbols in the text boxes of permanents you control don't count toward your devotion to any color.
No other card is named in this ruling.
#10September 15, 2013· Wizards of the Coast
Hybrid mana symbols, monocolored hybrid mana symbols, and Phyrexian mana symbols do count toward your devotion to their color(s).
No other card is named in this ruling.
#11September 15, 2013· Wizards of the Coast
If an activated ability or triggered ability has an effect that depends on your devotion to a color, you count the number of mana symbols of that color among the mana costs of permanents you control as the ability resolves. The permanent with that ability will be counted if it's still on the battlefield at that time.
No other card is named in this ruling.
#12September 15, 2013· Wizards of the Coast
Numeric mana symbols (, , and so on) in mana costs of permanents you control don't count toward your devotion to any color.
No other card is named in this ruling.