Murktide Regent [The List] Planeswalker Deck "I now believe the strange

"I now believe the strange orb was some kind of Thran security device

Set: Commander Legends Type: Sorcery Rarity: Rare Cost: {8}{R} This spell costs {1} less to cast for each creature on the battlefield

Set: Phyrexia: All Will Be One Type: Legendary Creature — Phyrexian Horror Rarity: Mythic Cost: {2}{U}{U} Flying

When Aretopolis has ten or more scroll counters on it

Unfortunately

Murktide Regent [The List] Planeswalker Deck "I now believe the strangeSet: The List Rarity: Common Delve (Each card you exile from your graveyard while casting this spell pays for 1.) Flying Murktide Regent enters the battlefield with a +1 +1 counter on it for each instant and sorcery card exiled with it. Whenever an instant or sorcery card leaves your graveyard, put a +1 +1 counter on Murktide Regent.