You see this in Eternal formats or Red-Deck-Wins aggro decks in Standard
If you want to kill through combat damage, you can turn Volrath into either Cultivator of Blades or Wild Beastmaster and give all your other creatures +7/+7 when attacking, or go for an infect kill by turning Volrath into Jodah's Avenger, using its ability to give him double strike, but before the ability resolves turn into Blighted Agent to attack as a 6/4 unblockable infect double strike one-shot
Charizard GX - SM - Burning Shadows (SM03)
Nidoking represents one of Giovanni's most historic and powerful partners, and its version in Destined Rivals offers a perfect balance between respect for the original and contemporary interpretation, making it one of the most desired cards by collectors
It helps to find the cards you need consistently
Your opponents will likely forget about the card as it sits in your graveyard, giving you room to spring a blowout when they swing in