Overlord of the Balemurk (Extended Art) [Duskmourn: House of Horror] Instant Whenever Pyrogoyf or another Lhurgoyf

Whenever Pyrogoyf or another Lhurgoyf creature enters the battlefield under your control

" (Whenever you cast an instant or sorcery spell

[−3] Return target instant or sorcery card from your graveyard to your hand

and 1 reference card for guidance on what to do on your turn

An ambassador from outside Valley arrived today in Three Tree City

Overlord of the Balemurk (Extended Art) [Duskmourn: House of Horror] Instant Whenever Pyrogoyf or another LhurgoyfSet: Duskmourn: House of Horror Type: Enchantment Creature Avatar Horror Rarity: Mythic Cost: {3}{B}{B} Impending 5{1}{B} (If you cast this spell for its impending cost, it enters with five time counters and isn't a creature until the last is removed. At the beginning of your end step, remove a time counter from it.) Whenever Overlord of the Balemurk enters or attacks, mill four cards, then you may return a non Avatar creature card or a planeswalker