Some cards can perpetually effect other, hidden cards
The site 17Lands uses gameplay submitted by MTG Arena players to track the performance of all of the cards in a given set in limited
Akki Battle Squad Anzrag, the Quake-Mole Aurelia, the Warleader Aurelia, the Warleader Balthier and Fran Bloodthirster Bumi, Unleashed Combat Celebrant Fear of Missing Out Godo, Bandit Warlord Godo, Bandit Warlord Hellkite Charger Karlach, Fury of Avernus Lightning Runner Moraug, Fury of Akoum Najeela, the Blade-Blossom Najeela, the Blade-Blossom Najeela, the Blade-Blossom Obeka, Splitter of Seconds Port Razer Raiyuu, Storm's Edge Raph & Leo, Sibling Rivals Raphael, Tag Team Tough Scourge of the Throne The Incredible Hulk Tifa, Martial Artist omer, Marshal of Rohan
Other people warped their mana bases and did massive damage to their decks to try and make good use of it, and many good players took far longer than they otherwise would have to recognize Zuran Orb due to the time they'd spent pointing and laughing at Dark Hearts
If you add in another effect youre suddenly in knock-out territory
There are only 12 cards receiving this type of treatment but are incredibly rare