A small black box with white letters, the set's code
How good is it in Commander though, and should you lean into a deck built around cascade, or just splash it into your favorite decks
P/T Number 882 Language English Legal Formats Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pauper, Pioneer, Timeless, Vintage Not Legal Formats Alchemy, Standard Rulings (7/1/2013) If Striking Sliver leaves the battlefield after Sliver creatures you control have dealt first-strike damage but before regular combat damage, those Slivers won't deal regular combat damage (unless they have double strike for some reason)
Elspeth and Underworld Rage-Hound have clear potential applications as attrition winners, but they require a nontrivial amount of cards and extra mana, restricting their ease of use outside of fairly long games
Whats more, you gain half X life and draw the other half from your deck