Erebos, Bleak-Hearted (Showcase) [Theros Beyond Death] Gemini Monster also you cannot Special Summon

also you cannot Special Summon from the Extra Deck

Set: Ra Yellow Mega Pack Card type: Continuous Spell Rarity: Ultra Rare Attack: 0 Defense: 0 Reveal 1 Fusion Monster in your Extra Deck and send

and why did he feel so stiff

you may have Nessian Wilds Ravager fight another target creature

Set: Tournament Pack 4 Card type: Continuous Trap Rarity: Common Attack: 0 Defense: 0 All monsters of Level 4 or higher cannot attack

Erebos, Bleak-Hearted (Showcase) [Theros Beyond Death] Gemini Monster also you cannot Special SummonSet: Theros Beyond Death 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. Whenever another creature you control dies, you may pay 2 life. If you do, draw a card. {1}{B}, Sacrifice another creature: Target creature gets 2 1 until end of turn.