Arcanis the Omnipotent [Eternal Masters] Lamia where X is the total

where X is the total power of attacking creatures

there will be time for prayer only *after* the worst happens

Golgari Type: Creature — Beast Rarity: Rare Cost: {3}{R}{R} At the beginning of your upkeep

Set: The Lost Caverns of Ixalan Type: Enchantment Rarity: Uncommon Cost: {1}{B} At the beginning of your end step

Arcanis the Omnipotent [Eternal Masters] Lamia where X is the totalSet: Eternal Masters Type: Legendary Creature Wizard Rarity: Rare Cost: {3}{U}{U}{U} {T}: Draw three cards. {2}{U}{U}: Return Arcanis the Omnipotent to its owner's hand. He has journeyed where none have been before. Now he returns to ensure that none follow.