That's a huge swing for four mana and definitely something a black mage should seek out in Tales of Middle-earth
Theres no greater feeling than Ricocheting some busted card like Casualties of War and just upending someones entire game
Snarling Gorehound Staple the basics of that ability onto an easy-to-reanimate creature in black, and youve got Snarling Gorehound, which is finding its way into tons of EDH decks and lives happily in those Insidious Roots builds in Standard
I think this one is highly playable, given that having a wildcard for single-target and board wide protection helps free up deck slots and keep you ready for anything
This allows you to cast instants, activate abilities, or pay for other cumulative upkeep costs
The Ur-DragonThe Ur-Dragon Unsurprisingly, the best Dragon card for Commander is the second-most popular Commander overall--across all creatures--on EDHREC: the aptly named The Ur-Dragon