In our experience, real world auctions tied to Charitybuzz Live Bid lots are typically executed by our partners in a few common ways
The Harbinger rarely "pins" you, which is an advantage over Vengeful Hound which rarely does but can
That's a very good advantage, and the fact that it's so cheap to play means you can do a massive amount of setup early in the game, or just a play a big monster and have it get over its summoning sickness before the opponent can do anything whatsoever
The Phantom Knight cards are a series of monsters, Spells, and Traps that hang around in the Duel like ghosts even after they've gone to the Graveyard and gain different abilities whether they're in your hand, on the field, or in the Graveyard
Heres a link to the Vending Series sets
Lethal Scheme is the last piece of card draw in this deck