This is a bit simplified, but here's how a store manages Magic product
Card Name Cid, Timeless Artificer Mana Cost Type Legendary Creature Human Artificer Rarity Uncommon rules Text Artifact creatures and Heroes you control get +1/+1 for each Artificer you control and each Artificer card in your graveyard.A deck can have any number of cards named Cid, Timeless Artificer.Cycling ( , Discard this card: Draw a card.) P/T Set Number 419 Language Franais Legal Formats Alchemy, Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Standard, Timeless, Vintage Rulings (6/6/2025) The second ability of Cid, Timeless Artificer lets you ignore the "four-of" rule in constructed play
But they have to be just one fewer for the obvious reasons
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You don't choose a creature card when Scout's Warning resolves
Both Violent Outburst and Shardless Agent are the backbone of every Cascade deck being played in Modern nowadays, and currently there are two tier 1 decks (Living End, Crashing Footfalls) cascading into powerful spells to win the game