Xenagos, God of Revels

Sep 15, 2013 · Mana symbols in the text boxes of permanents you control don't count toward your devotion to any color.

Sep 15, 2013 · 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.

Sep 15, 2013 · Hybrid mana symbols, monocolored hybrid mana symbols, and Phyrexian mana symbols do count toward your devotion to their color(s).

Sep 15, 2013 · Numeric mana symbols ({0}, {1}, and so on) in mana costs of permanents you control don't count toward your devotion to any color.

Feb 1, 2014 · The value of X is calculated only once, as the ability resolves.

Nov 10, 2020 · If Xenagos stops being a creature, it loses the type creature and the creature type God. It continues to be a legendary enchantment.

Nov 10, 2020 · Your devotion to two colors is the number of mana symbols among mana costs of permanents you control that are the first color, the second, or both. If an effect counts your devotion to two colors, a hybrid symbol that is both of those colors is counted just once.

Nov 10, 2020 · As Xenagos enters the battlefield, your devotion to red and green will determine whether any replacement effects that affect creatures entering the battlefield apply. Because replacement effects are considered before Xenagos is on the battlefield, the mana symbols in its mana cost won't be counted when determining this.