Certainly, ones expectations of success must be tempered by the very real constraints that now exist in the market, but for the diligent and adaptable, good specs are still plentiful
Jarad, Golgari Lich Lord
If you want to be mean, you could cast Armageddon with your infinite mana, then use Kor Cartographer and Sun Titan to get all your lands back, or you might want to use Staff of Nin or Blasting Station to ping your opponents out of the game
If you can think of a strategy or theme, then there's a commander that powers it
Fans are already calling the Ring tempts you mechanic a flavor fail, but hopefully it will redeem itself by being fun to play
("Tapping" is the act of turning the card sideways, and is denoted by that curved arrow symbol.) To do so, you'll need to spend a red mana