His ability lets you sacrifice three rats to return a creature and all other creatures with the same name from your graveyard to the battlefield
The fact that its also basically a lord that buffs all of your heroes and artifact creatures is a sweet bonus, and sometimes it might even give an absurd +3/+3
"Rakdos Riot" Creatures (22) 2 Furyborn Hellkite 2 Infernal Medusa 2 Skarrgan Firebird 2 Vampire Nighthawk 4 Carnage Gladiator 4 Rix Maadi Guildmage 2 Exava, Rakdos Blood Witch 2 Lyzolda, the Blood Witch 2 Olivia Voldaren Spells (12) 2 Agonizing Demise 4 Lightning Bolt 2 Toil // Trouble 4 Nemesis Mask Lands (26) 9 Mountain 9 Swamp 4 Dragonskull Summit 4 Lavaclaw Reaches This is a nice little Rakdos deck built around Exava and Carnage Gladiator
Its a variant of the kicker static ability which is essentially the same but only allows you to pay its additional cost a single time
That being said, the once $5-$6 card is now up over the $10 mark and shows little sign of dropping
Alternatively, if you already have a copy of the card, you can click it from your collection without first clicking the Wildcard button