The worst type of card is one thats too linear, and I think Brought Back pushes the line of good and broken depending on the way youre trying to use it
10 Tetsuo Umezawa: $149.99 Currently fetching a price of $149.99, Tetsuo Umezawa is the first of many entries on this list to hail from the set Legends
Akroan Horse Armored Warhorse Bill the Pony Black Carriage Breaching Hippocamp Brightfield Mustang Bronze Horse Calamity, Galloping Inferno Carnival Hellsteed Caustic Bronco Chrome Steed Clockwork Steed Cobbled Lancer Colorstorm Stallion Cosmos Charger Crested Sunmare Diamond Mare Dusk Charger Dwarven Pony Excava, the Risen Past Fleshmad Steed Ghoulsteed Gilded Ghoda Guardian Sunmare Hipparion Keleth, Sunmane Familiar Lightning Mare Loch Mare Motivated Pony Nightmare Ordinary Pony Ostrich-Horse Phantasmal Mount Phantom Steed Phyrexian Warhorse Plague Mare Rearing Embermare Sacred Prey Shadowfax, Lord of Horses Shield Mare Stallion of Ashmouth Surge Mare Tarpan Temur Charger Thundering Mightmare Thundermare Timbermare Trenching Steed Underworld Charger Vine Mare Wandermare Wavebreak Hippocamp Workhorse Zodiac Horse
Sothera, the Supervoid (Singularity Foil) - $2399 Oh boy, this is the big one
Some such questions Ive answered are: Can I deal combat damage to multiple players simultaneously? Can I build a deck that recurs not just destroyed, but exiled creatures? Can I win by giving my opponents infinite turns? Those three commanders above are the answer to each question respectively, and that might be surprising