in Golgari go-wide decks like Izoni, Thousand-Eyed, this big pig can eat an expensive creature for a massive discount
The Rakdos deck is more about getting some early damage in and then draining them
You might like these too: Gravebreaker Lamia , Tunnel Vision , Trinket Mage , Scrapyard Recombiner , Lore Broker , Dark Deal , Jace's Archivist , Stinkweed Imp , Sequestered Stash , Drownyard Temple , Port of Karfell king-saproling on Lazav Combo/Voltron 5 years ago This is a super cool idea
This means that if you intentionally build a deck that puts Vivi in the graveyard, then remove him with the cauldron, all your characters with +1/+1 counters become Vivis: an increasing fountain of mana that scales with the creature
Everyone in that town gets one in their yard