If enough -1/-1 counters are put on Essence Channeler at the same time to make its toughness 0 or less, its last ability will see all of the +1/+1 counters it had when it died as well as the -1/-1 counters it had, and an equal number of each of those types of counters (plus any other applicable counters) will be put onto the target creature
Since then, it has remained one of the most elusive cards in the game
Base Set, Jungle, Fossil, Team Rocket
Collectors and players alike have long sought out the most impressive cards featuring this mischievous spirit
It can declare rulings on any in-game circumstance, issue errata, change card text after publishing, and change the basic game rules, although the latter three rarely occur
I use leftover, play-grade sleeves for between one and three cards, and penny sleeves for four cards or more