Picture this hypothetical scenario, you may want to have Culling Ritual in a deck over a Skyshroud Claim
Split Up can perform that way in some scenarios, and its on the lower side for mana value
Essentially, Nivea prevents all of your creatures from dying to combat damage, removing any penalty from all-out swings
Sami, Wildcat Captain Stock your library with colorless cantrips and getting to feels more like Omniscience in the command zone
While Urzas block was meant to be the enchantment block as cards like Replenish ($84.47) and Opalescence ($28.78) indicate the designers still managed to deliver powerhouse artifacts in this set, such as Metalworker, which at a $112.76 market value is the most valuable card from this set
Common 198 Grab Your Sword Rare 199 Ransack Uncommon 200 Smash Uncommon 201 Beasts Mirror Common 202 Frying Pan Uncommon 203 Musketeer Tabard Rare 204 Plasma Blaster Rare 205 Hades, King of Olympus Enchanted 206 Stitch, Carefree Surfer Enchanted 207 Elsa, Spirit of Winter Enchanted 208 Mickey Mouse, Wayward Sorcerer Enchanted 209 Genie, On the Job Enchanted 210 Mickey Mouse, Artful Rogue Enchanted 211 Aladdin, Heroic Outlaw Enchanted 212 Maui, Hero to All Enchanted 213 Aurora, Dreaming Guardian Enchanted 214 Belle, Strange But Special Enchanted 215 Simba, Returned King Enchanted 216 Tinker Bell, Giant Fairy Enchanted Foil Checklist 204 cards