This elemental wizard is a 4/4 creature for a whopping 10 mana, but it costs two less for each different mana value among instant and sorcery cards in your graveyard
Aragorn, King of Gondor Aragon, King of Gondor is functionally similar to Aragorn and Arwen Wed in that he's a combat-focused commander that aids evasion, although he's a lot cheaper in mana value on his own
Sudden Death - I personally play this because it kills Prophet of Kruphix, which is very common in my meta, and is uncounterable
This goes double for the Enchanted version, which depicts an unusually intimidating version of the character well, as intimidating as he can be, which still isn't all that much
Kurkesh pairs well with cards like Voltaic Key and Manifold Key to generate infinite mana with rocks like Gilded Lotus that tap for multiple colored mana
As a result, it wouldnt be surprising at all for Radstorm to steadily get more and more expensive as time goes on