The final rule states that there can be no more than four copies of a single card in a deck
So if you play a creature, and your opponent casts a spell that kills it, but you counter that spell, but your opponent counters that counter, the Stack helps you figure out what exactly happened amidst the chaos of all that spell-slinging
Ride Down: Good against Menace, otherwise, Trample will be useless
Apart from that neat little interaction, Rain of Gore doesn't have much to make it fit Hollow One's gameplan, so it's interesting that this card is only found here, and not in the other top Rakdos deck, Lizards
They see a listing on eBay for $1,000 and assume their card is worth that
1 Bulbasaur 2 Ivysaur 3 Venusaur 4 Lotad 5 Lombre 6 Ludicolo 7 Spheal 8 Sealeo 9 Walrein 10 Slakoth 11 Vigoroth 12 Slaking 13 Trapinch 14 Vibrava 15 Flygon 16 Charmander 17 Charmeleon 18 Charizard Pop Ups 10 cards