He starts with 400 life, an incredible total
It can synergize with other warriors if you have them, but theyre not a supported type, so it wont happen too often
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
Enter Modern Horizons 3, which ratcheted the complexity up a notch, making an already complicated mechanic even more difficult to parse out
Also, due to what they're made of
As with any good Goblin-related card, the flavor text is brilliant and amusingly derisive toward Gobbos: Theyre not worth much, but theyre easy to catch. 4