Since double strike deals damage twice, this will draw you two cards instead of just one if it isn't blocked
Theres also a per-card complexity trend running underneath them, one that others have measured before

Box Sizes & Formats: Box sizes specifically suited to single cards, booster sets, elite sets, and collections of cards Tier-Based Packaging Solutions: Packaging tailored to theme-based tiers such as Eclipse Tier, Phantom Tier, Cosmic Tier, and other collector-focused series and Uniformity of structure through tiers for consistent product packaging Branding & Printing Options : Placement of logos and printing done in high resolution for a clear brand identity Finishing Styles: Matte, glossy, soft touch, and textured finishes are available depending on your preferences Internal Organization: Custom interior arrangement with specific compartments for your cards Closure Options: Closures that can be securely tucked, sliding closures, and high-end magnetic closures for a premium opening experience Blind Box Formats That Enhance Collector Experience Pokemon products have been using mystery-themed packages in recent years

Sickening Shoal does a great job preventing threats like Ocelot Pride from running away with the game
While I believe this is especially true in Limited, in formats like Cube Draft particularly, where, while a card like Garruk Wildspeaker is the better card in your deck, you still may need a card like Acidic Slime