pokemon plasma storm booster pack Black & White: White plasma freeze expansion and trainers everywhere must show an icy resolve if they are to halt the relentless deep freeze B&W Plasma Storm Pokémon Booster

Of course, casting an instant and getting a counterspell with an empty stack (so you have nothing to counter) won't feel nearly as good

However, all ten new mythic rare legendary creatures from the Streets of New Capenna Commander decks, as well as the six rare and two mythic rare Streets of New Capenna Commander cards that can be found in Set Boosters, can be found in traditional foil extended-art versions in Collector Boosters

Artifacts Okay, not actually a color, but I wanted to point out that artifacts already have carte blanche to do discard effects (a la Disrupting Scepter)

Mirrodins (2003) Card not found gives you five cards for five mana, which is very efficient, when taking into account the card you have to use to get the effect