While theyre all (presumably) equally rare, theyre not equally expensive
Primeval Titan and Eldrazi decks could exploit red-based matchups with overstatted creatures as Magmatic Sinkhole and Flame Slash were the primary non-Lightning Bolt alternatives
Maybe all 5 of the creatures are in 1 pile and we later owe that player a favor
Your opponents may cast spells in response to the last ability of Ranger-Captain of Eos
Warren Soultrader is equally dangerous: It converts every creature you control into Treasure at the cost of a single life point, an interaction that makes infinite mana loops with Kenrith almost trivial
Uro, Titan of Nature's Wrath Nissa, Who Shakes the World Thoughtseize Jund Sacrifice (22 players) : The synergy between Mayhem Devil, Cauldron Familiar, and Witch's Oven will be familiar to anyone who has played Standard over the past year