Keen Sense For only one mana, [c]Keen Sense[/c] can draw you many cards over the course of a single game, but only if you can sneak the enchanted creature past your opponents defenses
Because you can customize them, proxies dont need to be the original art or even the border of the cards
Fell Specter isnt strictly worse than Megrim or Liliana's Caress, its just that it costs more and its more vulnerable to creature removal and/or wraths

Water Energy Color : Blue Associated with : Water-type Pokemon Common effects : Healing, defensive abilities Weakness/Resistance : Usually weak to Electric, resists Fire Grass Energy Color : Green Associated with : Grass-type Pokemon Common effects : Healing, energy acceleration, poison Weakness/Resistance : Usually weak to Fire, resists Water Electric Energy Color : Yellow Associated with : Electric-type Pokemon Common effects : Paralysis, energy acceleration Weakness/Resistance : Usually weak to Fighting, resists Metal Psychic Energy Color : Purple/Pink Associated with : Psychic-type Pokemon Common effects : Confusion, card manipulation Weakness/Resistance : Usually weak to Dark, resists Fighting Fighting Energy Color : Orange/Brown Associated with : Fighting-type Pokemon Common effects : High damage, simple effects Weakness/Resistance : Usually weak to Psychic, resists Dark Dark Energy Color : Black/Dark Purple Associated with : Dark-type Pokemon Common effects : Disruption, damage manipulation Weakness/Resistance : Usually weak to Fighting, resists Psychic Metal Energy Color : Silver/Gray Associated with : Metal-type Pokemon Common effects : Damage reduction, energy efficiency Weakness/Resistance : Usually weak to Fire, resists Grass Fairy Energy Color : Pink/Light Purple Associated with : Fairy-type Pokemon Common effects : Healing, anti-Dragon effects Weakness/Resistance : Usually weak to Metal, resists Dragon Dragon Energy Color : Gold/Orange gradient Associated with : Dragon-type Pokemon Common effects : Requires multiple energy types Weakness/Resistance : Usually weak to Fairy, no resistance Colorless Energy - The Universal Power Colorless Energy is the Swiss Army knife of the Pokemon world

1st Edition English cards first appeared with the very first Pokmon TCG set, Base Set , and ended with Neo Destiny , while 1st Edition Japanese cards first appeared with the Pokmon VS expansion (no English equivalent) and ended with the Expansion Pack 20th Anniversary set (the English equivalent being Evolutions )
This can be especially important if you lose your tank end end up with Toxtricity on the field