More likely that is overkill and something as simple as a pair of large Gaea's Mights can use a Swiftblade to singlehandedly end the game as early as the third turn
How to Get Card Images The easiest way to enable card images is to click on Game Settings, then roll down until you get to Graphic Options and click on Automatically Download Missing Card Art
Ob Nixilis, the Adversary Our highest-scoring planeswalker and black card and card outside of the top five proper is this version of Nixilis

Abiding Grace Abuelo's Awakening Against All Odds Ajani, Adversary of Tyrants Angel of Indemnity Anti-Venom, Horrifying Healer Archon of Falling Stars Astelli Reclaimer Auramancer Auriok Survivors Battle of Hoover Dam Bishop of Rebirth Breath of Life Brotherhood Outcast Bruna, the Fading Light Builder's Talent Call a Surprise Witness Cavalier of Dawn Celestine, the Living Saint Cleric Class Custodi Soulcaller Daring Archaeologist Dauntless Avenger Daydream Defy Death Devoted Crop-Mate Dewdrop Cure Disciple of the Sun Doctor Jane Foster Elspeth Conquers Death Emerge from the Cocoon Excavation Elephant Extraction Specialist False Defeat Forum Filibuster From the Rubble General Leo Cristophe Griffin Dreamfinder Gryff's Boon Guardian Scalelord Harnessed Snubhorn Helping Hand Heroic Return Immortal Obligation Ironclad Slayer Ironsoul Enforcer Jackdaw Savior Jolted Awake Karmic Guide Late to Dinner Loran, Disciple of History Lotus-Eye Mystics Loyal Retainers Master Skald Meanders Guide Miraculous Recovery Momentary Blink Monk Idealist Oltec Archaeologists Onakke Oathkeeper One Last Job Order of Whiteclay Phoenix Down Phyrexian Missionary Pillardrop Rescuer Pre-War Formalwear Proclamation of Rebirth Pulsemage Advocate Razor Hippogriff Recommission Redemption Choir Rescue Skiff

How does a marked deck work
REPLICA Holo appears less refined and lacks depth, with softer details and uneven coloration that does not match authentic print quality