Despite the fact that the first options commanders (Carth and Guff) have the word planeswalker written on them multiple times, I dont think I would actually choose them (for the record, I would build Guff as the control the board, slow tick-up and Carth as the counter shenanigans deck)
Use Facebook, Reddit, and auction sites like Heritage Auctions or eBay auctions
The price doesn't lie here, and the textured-foil version is currently at a whopping $73
Store Dedicated To the Growing Worldwide Phenomenon" (Press release)
Drain Life is like that, but much harder to cast with only black mana and no pitched cards
Giada counts itself, so even if Giada is the only Angel on the battlefield, the next Angel entering will get a +1/+1 counter on it