Houndoom (and Single Strike Energy) The new Single Strike Energy can be attached only to Single Strike Pokmon, and it provides Darkness or Fighting Energy, but only 1 at a time
Its nonetheless high on my list of potential new commanders for the Deck Suite
Sword of Forge and Frontier Land and card draw The Swords of series in Magic: The Gathering run a gamut of usefulness, but all of them cost three mana, grant protection from two colours, add +2/+2 and provide some kind of benefit if you can hit a player with a creature equipped with them
That means you can fetch them with fetch lands such as Polluted Delta or Windswept Heath
Curse of Leeches Curse of Leeches is loaded with flavor
Of course, if everyone moves away from removal, it becomes a superstar