Field of Souls is a bit of a fail-safe measure in case your opponents conspire to get rid of Sephara first and then do a wipe of the battlefield
What are the weaknesses and retreat cost of this Arceus card
Pitch-Black Blade: During your next turn, this Pokemon can't attack
Lady Octopus can cheat in Insight Engine itself, making the card as efficient as possible
Deck contains 15 invalid cards for this format: Farewell (NEO), Sunfall (MOM), Urza's Sylex (BRO), The Eternal Wanderer (ONE), Invasion of Fiora // Marchesa, Resolute Monarch (MOM), Depopulate (SNC), Vanquish the Horde (MID), White Sun's Twilight (ONE), Path of Peril (VOW), Eiganjo, Seat of the Empire (NEO), Takenuma, Abandoned Mire (NEO), Caves of Koilos (DMU), Shattered Sanctum (VOW), Field of Ruin (MID), Mirrex (ONE) Main 60 cards (22 distinct) Lands - 24 Main 60 cards (22 distinct) Lands - 24 Simulating MTG Arena Best of 1 starting hand (Simplified, true algorithm in MTGA not revealed by Wizards yet) Add at least 100 different cards to your collection and set it as your Compare Collection on the manage page to see what cards from this deck you are missing
The Promised End of my list, the end boss of Standard