Especially copies of the most lucrative Praetor: Elesh Norn
A Near Mint Island alone is priced at $1000, and Ive only ever seen played copies go up for sale
Time Twister effects used to be more popular but their high cost and high risk due to giving away up to seven new cards has seen them significantly decline in all bar the combo decks
The app doesn't really teach you how to make a deck of your own, for starters
Full Deck List Spoiler: CREATURES 1 x Acidic Sliver 1 x Armor Sliver 1 x Barbed Sliver 1 x Brood Sliver 1 x Clot Sliver 1 x Frenzy Sliver 1 x Fungus Sliver 1 x Fury Sliver 2 x Gemhide Sliver 1 x Heart Sliver 1 x Homing Sliver 2 x Metallic Sliver 1 x Might Sliver 2 x Muscle Sliver 1 x Necrotic Sliver 1 x Quick Sliver 1 x Sliver Overlord 2 x Spectral Sliver 1 x Spined Sliver 1 x Victual Sliver 2 x Virulent Sliver 1 x Winged Sliver OTHER SPELLS 1 x Aphetto Dredging 1 x Coat of Arms 1 x Distant Melody 1 x Heartstone 1 x Wild Pair LANDS 2 x Ancient Ziggurat 1 x Rootbound Crag 2 x Rupture Spire 2 x Vivid Creek 2 x Vivid Grove CONFIRMED SLIVERS: Unimaginable Destruction Vicious, territorial, and able to share abilities, Slivers are nearly impossible to stop
Indeed, only a few competitive staples are included here, meaning you will have to combine it with staples you already have to make it more competitively viable (more on that in my upgrade guide)