18 cards where the illustration contains “pixel-art”

Ancient Den (Secret Lair Drop #300)
Command Tower (Secret Lair Drop #758)
Darksteel Citadel (Secret Lair Drop #608)
Forest (Secret Lair Drop #1472)
Great Furnace (Secret Lair Drop #303)
Island (Secret Lair Drop #1469)
Mishra's Factory (Secret Lair 30th Anniversary Countdown Kit #1994)
Plains (Secret Lair Drop #1468)
Seat of the Synod (Secret Lair Drop #301)
Serum Visions (Secret Lair Drop #30)
Snow-Covered Forest (Secret Lair Drop #329)
Snow-Covered Island (Secret Lair Drop #326)
Snow-Covered Mountain (Secret Lair Drop #328)
Snow-Covered Plains (Secret Lair Drop #325)
Snow-Covered Swamp (Secret Lair Drop #327)
Swamp (Secret Lair Drop #1470)
Tree of Tales (Secret Lair Drop #304)
Vault of Whispers (Secret Lair Drop #302)

It is the moment of discovery, the triumph of the mind, and the end of these results.