Improvise lets you use artifacts to pay for generic mana while convoke lets you pay for colored and generic mana
These are ideal to get to know the basics, and the best part is that when you buy one at the store, you get a code card that unlocks a digital copy of the deck on Pokemon Trading Card Game Online (available on Microsoft Windows, OS X, iPad and Android)
With that being said, let's get started by looking at the original list
Blight includes a number and is often phrased as a cost you pay
This list is the cream of the crop thats not already in the top 74: Abstruse Appropriation Accursed Marauder Amphibian Downpour Argent Dais Arna Kennerd, Skycaptain Branching Evolution Breya, Etherium Shaper Crabomination Dreamtide Whale Emperor of Bones Estrid's Invocation Genku, Future Shaper Glimpse the Impossible Grim Servant Kaalia of the Vast Kudo, King Among Bears Monstrous Vortex Nesting Grounds Pearl-Ear, Imperial Advisor Phelia, Exuberant Shepherd Powerbalance Rosheen, Roaring Prophet Sevinne's Reclamation Shadow of the Second Sun Shilgengar, Sire of Famine Solar Transformer Sowing Mycospawn The Necrobloom Thraben Charm Volatile Stormdrake Wheel of Potential Wight of the Reliquary #74
Inner sleeves come in an exact size to fit perfectly around standard-sized gaming cards