Other than having a slower time attacking, this card is superior in every way, especially considering this card has both an Ancient Trait and Ability
Based on the number of events held and the two age groups participating, it is believed that there are only 14 examples of this card in existence
R Rare Koa'ki Meiru Doom X WIND Level 3 [ FiendEffect ] ATK 1700 DEF 800 During each of your End Phases, destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the Graveyard or reveal 1 Fiend-Type monster in your hand
Blight is a particularly useful mechanic in Lorwyn Eclipsed Beyond the lighter vibes of this sets blue cards, Ive also been impressed by the synergy of the red-green-black cards, and particularly the Blight mechanic (which allows you to put -1/-1 counters on your creatures, or the creatures of your opponents)
Without Energy, none of your Pokemon can attack